HILL / Dot Hill Systems Corp - SEC-arkiveringer, Årsrapport, Fullmaktsdokument

Seagate Technology SC TO-T/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO/A (Rule 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) or 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 2) DOT HILL SYSTEMS CORP. (Name of Subject Company (Issuer)) DENALI ACQUISITION SUB CORP. (Name of Filing Persons (Offeror)) a wholly owned subsidiary of SEAGATE HDD CAYMAN (Name of Filin

SEAGATE COMPLETES ACQUISITION OF DOT HILL SYSTEMS

EX-99.(A)(5)(B) 2 a15-1820811ex99da5b.htm EX-(A)(5)(B) Exhibit (a)(5)(B) Media Relations Contact: Eric DeRitis, (408) 658-1561 [email protected] SEAGATE COMPLETES ACQUISITION OF DOT HILL SYSTEMS CUPERTINO, CA — October 6, 2015 — Seagate Technology plc (NASDAQ: STX), a world leader in storage solutions, today announced it has completed its previously announced acquisition of Dot Hill Systems

Seagate Technology SC TO-T/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO/A (Rule 14d-100) TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) or 13(e)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 1) DOT HILL SYSTEMS CORP. (Name of Subject Company (Issuer)) DENALI ACQUISITION SUB CORP. (Name of Filing Persons (Offeror)) a wholly owned subsidiary of SEAGATE HDD CAYMAN (Name of Filing Persons (Par

LETTER OF TRANSMITTAL To Tender Shares of Common Stock of Dot Hill Systems Corp. Pursuant to the Offer to Purchase dated September 1, 2015 of Denali Acquisition Sub Corp. A Wholly Owned Subsidiary of Seagate HDD Cayman A Wholly Owned Indirect Subsidi

EX-99.(A)(1)(B) 3 a2225881zex-99a1b.htm EX-(A)(1)(B) QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(1)(B) LETTER OF TRANSMITTAL To Tender Shares of Common Stock of Dot Hill Systems Corp. Pursuant to the Offer to Purchase dated September 1, 2015 of Denali Acquisition Sub Corp. A Wholly Owned Subsidiary of Seagate HDD Cayman A Wholly Owned Indirect Subsidiary of Seagat

OFFER TO PURCHASE FOR CASH All Outstanding Shares of Common Stock of Dot Hill Systems Corp. at $9.75 Net Per Share by Denali Acquisition Sub Corp. a wholly owned subsidiary of Seagate HDD Cayman A wholly owned indirect subsidiary of Seagate Technolog

QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(1)(C) OFFER TO PURCHASE FOR CASH All Outstanding Shares of Common Stock of Dot Hill Systems Corp.

OFFER TO PURCHASE FOR CASH All Outstanding Shares of Common Stock of Dot Hill Systems Corp. a Delaware Corporation at $9.75 Net Per Share by Denali Acquisition Sub Corp. a wholly owned subsidiary of Seagate HDD Cayman a wholly owned indirect subsidia

Use these links to rapidly review the document TABLE OF CONTENTS Exhibit (a)(1)(A) OFFER TO PURCHASE FOR CASH All Outstanding Shares of Common Stock of Dot Hill Systems Corp.

Notice of Offer to Purchase for Cash All Outstanding Shares of Common Stock of Dot Hill Systems Corp. at $9.75 Net Per Share by Denali Acquisition Sub Corp. a wholly owned subsidiary of Seagate HDD Cayman a wholly owned indirect subsidiary of Seagate

QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(1)(F) This announcement is neither an offer to purchase nor a solicitation of an offer to sell Shares (as defined below).

OFFER TO PURCHASE FOR CASH All Outstanding Shares of Common Stock of Dot Hill Systems Corp. at $9.75 Net Per Share by Denali Acquisition Sub Corp. a wholly owned subsidiary of Seagate HDD Cayman A wholly owned indirect subsidiary of Seagate Technolog

QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(1)(D) OFFER TO PURCHASE FOR CASH All Outstanding Shares of Common Stock of Dot Hill Systems Corp.

CONFIDENTIALITY AGREEMENT

EX-99.(D)(2) 8 a2225881zex-99d2.htm EX-(D)(2) Exhibit (d)(2) CONFIDENTIALITY AGREEMENT THIS CONFIDENTIALITY AGREEMENT (“Agreement”) is being entered into as of May 19, 2015 between DOT HILL SYSTEMS CORP. located at 1351 S Sunset Street, Longmont, CO 80501 (“Dot Hill”), and Seagate Technology LLC (together with its affiliates, “Seagate”). In order to facilitate the consideration and negotiation of

NOTICE OF GUARANTEED DELIVERY To Tender Shares of Common Stock of Dot Hill Systems Corp. Pursuant to the Offer to Purchase dated September 1, 2015 of Denali Acquisition Sub Corp. a wholly owned subsidiary of Seagate HDD Cayman a wholly owned indirect

QuickLinks - Click here to rapidly navigate through this document Exhibit (a)(1)(E) NOTICE OF GUARANTEED DELIVERY To Tender Shares of Common Stock of Dot Hill Systems Corp.

Seagate Technology SC TO-T

QuickLinks - Click here to rapidly navigate through this document SECURITIES AND EXCHANGE COMMISSION Washington, D.

SEAGATE TECHNOLOGY TO ACQUIRE DOT HILL SYSTEMS Dot Hill’s Portfolio Will Complement and Expand Seagate’s Storage Systems Offerings

Exhibit 99.1 Seagate Media Relations Contact: Michael Busselen 408-658-1887 [email protected] Dot Hill Hanif Jamal, SVP and CFO 303-845-3377 [email protected] SEAGATE TECHNOLOGY TO ACQUIRE DOT HILL SYSTEMS Dot Hill?s Portfolio Will Complement and Expand Seagate?s Storage Systems Offerings CUPERTINO, CA and LONGMONT, CO ? AUGUST 18, 2015 ? Seagate Technology plc (NASDAQ: STX), a wo

Seagate Technology SC TO-C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE TO Tender Offer Statement under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 DOT HILL SYSTEMS CORP. (Name of Subject Company (Issuer)) DENALI ACQUISITION SUB CORP. a wholly owned indirect subsidiary of SEAGATE TECHNOLOGY PUBLIC LIMITED COMPANY (Names of Filing Persons (Offeror)) Common Stock, pa

Dot Hill Systems Corp. NON-EMPLOYEE DIRECTOR COMPENSATION POLICY

Exhibit 10.2 Dot Hill Systems Corp. NON-EMPLOYEE DIRECTOR COMPENSATION POLICY Each member of the Board of Directors (the “Board”) of Dot Hill Systems Corp. (the “Company”) who is not also serving as an employee of the Company or any of its subsidiaries (each such member, an “Eligible Director”) will receive the compensation described in this Non-Employee Director Compensation Policy for his or her

HILL / Dot Hill Systems Corp 10-Q - Quarterly Report - 10-Q

10-Q 1 hill-2015630xq2.htm 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 30, 2015 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period fr

STRATEGIC SUPPLIER MASTER PURCHASE AGREEMENT FIRST AMENDMENT

Exhibit 10.3 ***Text Omitted and Filed Separately With the Securities and Exchange Commission. Confidential Treatment Requested Under 17 C.F.R. Sections 200.80(b)(4) and 240.24b-2. STRATEGIC SUPPLIER MASTER PURCHASE AGREEMENT FIRST AMENDMENT Reference is made to the Strategic Supplier Master Purchase Agreement (the “Agreement”) dated July 12, 2012, by and between Dot Hill Systems Corp. (“Supplier”

DOT HILL SYSTEMS CORP. 2000 AMENDED AND RESTATED Non-Employee Directors’ Stock Option Plan Adopted by the Board of Directors March 9, 2000 Approved By Stockholders May 8, 2000 Amendment and Restatement Adopted by the Board of Directors July 25, 2005

Exhibit 10.1 DOT HILL SYSTEMS CORP. 2000 AMENDED AND RESTATED Non-Employee Directors’ Stock Option Plan Adopted by the Board of Directors March 9, 2000 Approved By Stockholders May 8, 2000 Amendment and Restatement Adopted by the Board of Directors July 25, 2005 and April 6, 2006 Amendment and Restatement Approved By Stockholders May 8, 2006 Amendment Adopted by the Board of Directors June 4, 2009

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 5, 2015 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission File

EX-99.1

Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1

HILL / Dot Hill Systems Corp / GOLDMAN CAPITAL MANAGEMENT INC - SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Dot Hill Systems Corp (Name of Issuer) Common Stock, par value $0.001 per share (Title of Class of Securities) 25848T109 (CUSIP Number) December 31 , 2014 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to wh

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 12, 2015 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission F

EX-99.1

Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 8, 2015 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission Fi

Dot Hill Systems Updates Guidance for Fourth Quarter and Full Year 2014 Financial Results

EX-99.1 2 a8-kupdatetoq42014guidancepr.htm EXHIBIT FOR IMMEDIATE RELEASE - FINAL Contact: Hanif Jamal Chief Financial Officer Tel: 303-845-3377 Email: [email protected] Jodi Bochert Investor Relations Tel: 303-845-3469 Email: [email protected] Dot Hill Systems Updates Guidance for Fourth Quarter and Full Year 2014 Financial Results • Non-GAAP Revenue and Earnings Per Share projected to be

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 10, 2014 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission

EX-99.1

Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99

Dot Hill Reports Third Quarter 2014 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Hanif Jamal Chief Financial Officer Tel: 303-845-3377 Email: [email protected] Jodi Bochert Investor Relations Tel: 303-845-3469 Email: [email protected] Dot Hill Reports Third Quarter 2014 Results • Third Quarter Revenue and EPS within Guidance •Projecting 25% non-GAAP revenue and over 250% non-GAAP EPS sequential growth at fourth quarter guidan

EX-99.1

EX-99.1 2 a8-kinvestorpres1162014xex.htm EXHIBIT Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2014 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission F

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a8-k3q14earningsrelease.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 6, 2014 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisd

Financial Statements and Exhibits, Other Events

8-K 1 a8-kinvestorpresentation92.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 22, 2014 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other j

EX-99.1

Exhibit 99.1

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 15, 2014 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission

Dot Hill Historical Financial Results 2011- 2nd Quarter 2014 About Non-GAAP Financial Measures The Company's non-GAAP financial measures exclude the impact of stock-based compensation expense, intangible asset amortization, restructuring and severanc

Exhibit 99.1 Dot Hill Historical Financial Results 2011- 2nd Quarter 2014 About Non-GAAP Financial Measures The Company's non-GAAP financial measures exclude the impact of stock-based compensation expense, intangible asset amortization, restructuring and severance charges, charges or credits for contingent consideration adjustments, gain from an insurance recovery, charges for impairment of goodwi

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 9, 2014 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission

EX-99.1

Exhibit 99.1

EX-99.1

Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 4, 2014 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 7, 2014 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission Fil

EX-99.1

EX-99.1 2 a8-kinvestorpres872014xex9.htm EXHIBIT Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 7, 2014 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission Fil

Conflict Minerals Report of Dot Hill Systems, Corp.

Exhibit 1.02 Conflict Minerals Report of Dot Hill Systems, Corp. Overview This is the Conflict Minerals Report for Dot Hill for calendar year 2013 in accordance with Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act (“Section 1502”) and Rule 13p-1 under the Securities Exchange Act of 1934 (“Rule 13p-1”), that requires Dot Hill to perform certain procedures and disclose

- SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form SD Specialized Disclosure Report Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission File Number) (I.R.S. Employer Identification No.) 1351 S. Sunset Street, Longmont, CO 80501 (Address of principal executive o

EX-99.1

Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99.1 Exhibit 99

NASDAQ: HILL DRIVING GROWTH NASDAQ: HILL May 2014 15th Annual B. Riley Investor Conference NASDAQ: HILL 2 May 2014 Statements contained in this presentation regarding matters that are not historical facts are “forward-looking statements” within the m

a8-kinvestorpresentation NASDAQ: HILL DRIVING GROWTH NASDAQ: HILL May 2014 15th Annual B.

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 19, 2014 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission File

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 12, 2014 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission File

EX-99.1

Dot Hill Historical Financial Results 2011- 1st Quarter 2014 About Non-GAAP Financial Measures The Company's non-GAAP financial measures exclude the impact of stock-based compensation expense, intangible asset amortization, restructuring and severanc

Dot Hill Historical Financial Results 2011- 1st Quarter 2014 About Non-GAAP Financial Measures The Company's non-GAAP financial measures exclude the impact of stock-based compensation expense, intangible asset amortization, restructuring and severance charges, charges or credits for contingent consideration adjustments, gain from an insurance recovery, charges for impairment of goodwill, intangibl

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Results of Operations and Financial Condition, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 5, 2014 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission File N

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2014 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission File N

Dot Hill Reports First Quarter 2014 Results Year-over-year non-GAAP total revenue growth of 9% with a 59% increase in Vertical Markets

Exhibit 99.1 FOR IMMEDIATE RELEASE Contacts: Hanif Jamal Chief Financial Officer Tel: 303-845-3377 Email: [email protected] Jodi Bochert Dot Hill Investor Relations Tel: 303-845-3469 Email: [email protected] Kirsten Chapman LHA Investor Relations Tel: 415-433-3777 Email: [email protected] Dot Hill Reports First Quarter 2014 Results Year-over-year non-GAAP total revenue growth of 9% with a 5

NASDAQ: HILL DRIVING GROWTH NASDAQ: HILL May 8, 2014 First Quarter 2014 Earnings Call NASDAQ: HILL 2 Safe Harbor and Non-GAAP Financial Measures May 8, 2014 Statements contained in this presentation regarding matters that are not historical facts are

a8-kinvestorpresentation NASDAQ: HILL DRIVING GROWTH NASDAQ: HILL May 8, 2014 First Quarter 2014 Earnings Call NASDAQ: HILL 2 Safe Harbor and Non-GAAP Financial Measures May 8, 2014 Statements contained in this presentation regarding matters that are not historical facts are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act.

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2014 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission File N

- DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

8-K 1 a8-k2014executivecompensat.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 3, 2014 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisd

Dot Hill Reports Fourth Quarter and Full Year 2013 Results

EX-99.1 2 a8-k4q13earningsreleasexex.htm EXHIBIT Exhibit 99.1 FOR IMMEDIATE RELEASE Contacts: Hanif Jamal Chief Financial Officer Tel: 303-845-3377 Email: [email protected] Jodi Bochert Dot Hill Investor Relations Tel: 303-845-3469 Email: [email protected] Becky Herrick & Kirsten Chapman LHA Investor Relations Tel: 415-433-3777 Email: [email protected] Dot Hill Reports Fourth Quarter and Fu

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 a8-k4q13earningsrelease.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 6, 2014 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdict

- S-8

As filed with the Securities and Exchange Commission on January 22, 2014 Registration No.

DOT HILL SYSTEMS CORP. 2014 EMPLOYEE STOCK PURCHASE PLAN ADOPTED BY THE BOARD OF DIRECTORS: JANUARY 21, 2014 APPROVED BY THE STOCKHOLDERS: ___________, 2014

Exhibit 10.1 DOT HILL SYSTEMS CORP. 2014 EMPLOYEE STOCK PURCHASE PLAN ADOPTED BY THE BOARD OF DIRECTORS: JANUARY 21, 2014 APPROVED BY THE STOCKHOLDERS: , 2014 1. GENERAL; PURPOSE. (a) The Plan provides a means by which Eligible Employees of the Company and certain designated Related Corporations may be given an opportunity to purchase shares of Common Stock. The Plan permits the Company to grant a

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 9, 2014 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission Fi

Dot Hill Systems Updates Guidance for Fourth Quarter and Full Year 2013 Financial Results

FOR IMMEDIATE RELEASE Contact: Hanif Jamal Chief Financial Officer Tel: 303-845-3377 Email: investors@dothill.

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CORRESP 1 filename1.htm December 16, 2013 VIA FEDEX AND EDGAR United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Patrick Gilmore Re: Dot Hill Systems Corp. Form 10-K for the Fiscal Year Ended December 31, 2012 Filed March 18, 2013 File No. 001-13317 Dear Mr. Gilmore: We are writing in response to comments received f

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 8, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission F

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November 8, 2013 VIA FEDEX AND EDGAR United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 8, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission F

EX-99.1

DRIVING GROWTH NASDAQ: HILL November 8, 2013 Third Quarter 2013 Earnings Conference Call Dot Hill Systems Corp. Safe Harbor and Non-GAAP Financial Measures Statements contained in this presentation regarding matters that are not historical facts are

earningscallnovember8201 DRIVING GROWTH NASDAQ: HILL November 8, 2013 Third Quarter 2013 Earnings Conference Call Dot Hill Systems Corp.

Dot Hill Reports Third Quarter 2013 Results 63% YOY Increase in Vertical Markets Revenue Drove 10% YOY Non-GAAP Topline Growth Profitability Continued with Non-GAAP Net Income of $2.8 Million

EX-99.1 2 exhibit991-q32013pressrele.htm PRESS RELEASE Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Hanif Jamal Chief Financial Officer Tel: 303-845-3377 Email: [email protected] Jodi Bochert Investor Relations Tel: 303-845-3469 Email: [email protected] Kirsten Chapman LHA Investor Relations Tel: 415-433-3777 Email: [email protected] Dot Hill Reports Third Quarter 2013 Results 63% YOY Increa

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October 11, 2013 VIA FEDEX AND EDGAR United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

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October 3, 2013 VIA EDGAR Mr. Patrick Gilmore Accounting Branch Chief United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Dot Hill Systems Corp. Form 10-K for the Fiscal Year Ended December 31, 2012 Filed March 18, 2013 File No. 001-13317 Dear Mr. Gilmore: Dot Hill Systems Corp. (the “Company”) hereby acknowledges that it h

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events - 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K/A (Amendment No. 1) Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 26, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorp

DRIVING GROWTH NASDAQ: HILL September 26, 2013 Craig-Hallum 4th Annual Alpha Select Conference Dot Hill Systems Corp. Safe Harbor September 26, 2013 NASDAQ HILL 2 Statements contained in this presentation regarding matters that are not historical fac

EX-99.1 2 hillinvestorpresentation.htm INVESTOR PRESENTATION DRIVING GROWTH NASDAQ: HILL September 26, 2013 Craig-Hallum 4th Annual Alpha Select Conference Dot Hill Systems Corp. Safe Harbor September 26, 2013 NASDAQ HILL 2 Statements contained in this presentation regarding matters that are not historical facts are “forward-looking statements” within the meaning of the Private Securities Litigati

DRIVING GROWTH NASDAQ: HILL September 26, 2013 Craig-Hallum 4th Annual Alpha Select Conference Dot Hill Systems Corp. Safe Harbor September 26, 2013 NASDAQ HILL 2 Statements contained in this presentation regarding matters that are not historical fac

hillinvestorpresentation DRIVING GROWTH NASDAQ: HILL September 26, 2013 Craig-Hallum 4th Annual Alpha Select Conference Dot Hill Systems Corp.

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 26, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 9, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission

DRIVING GROWTH NASDAQ: HILL September 9, 2013 Rodman & Renshaw Annual Global Investment Conference Dot Hill Systems Corp. Safe Harbor September 9, 2013 NASDAQ HILL 2 Statements contained in this presentation regarding matters that are not historical

hillinvestorpresentation DRIVING GROWTH NASDAQ: HILL September 9, 2013 Rodman & Renshaw Annual Global Investment Conference Dot Hill Systems Corp.

Dot Hill Historical Financial Results 2010 - 2nd Quarter 2013

Dot Hill Historical Financial Results 2010 - 2nd Quarter 2013 About Non-GAAP Financial Measures The Company's non-GAAP financial measures exclude the impact of stock-based compensation expense, intangible asset amortization, restructuring and severance charges, charges or credits for contingent consideration adjustments, gain from an insurance recovery, charges for impairment of goodwill, intangib

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 12, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission Fi

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission Fil

DRIVING GROWTH NASDAQ: HILL August 8, 2013 Second Quarter 2013 Earnings Conference Call Dot Hill Systems Corp. Safe Harbor and Non-GAAP Financial Measures Statements contained in this presentation regarding matters that are not historical facts are “

earningscallaugust82013f DRIVING GROWTH NASDAQ: HILL August 8, 2013 Second Quarter 2013 Earnings Conference Call Dot Hill Systems Corp.

Dot Hill Reports Second Quarter 2013 Results Achieves profitability with Non-GAAP EPS of $0.06 per share Delivers highest quarterly Non-GAAP gross margin in eight years at 34.7% More than doubles mid-point of full year 2013 Non-GAAP EPS guidance

EX-99.1 2 exhibit991-q22013pressrele.htm PRESS RELEASE Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Hanif Jamal Chief Financial Officer Tel: 303-845-3377 Email: [email protected] Jodi Bochert Investor Relations Tel: 303-845-3469 Email: [email protected] Kirsten Chapman LHA Investor Relations Tel: 415-433-3777 Email: [email protected] Dot Hill Reports Second Quarter 2013 Results Achieves prof

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission Fil

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events - 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K/A (Amendment No. 1) Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporat

DRIVING GROWTH NASDAQ: HILL August 8, 2013 Second Quarter 2013 Earnings Conference Call Dot Hill Systems Corp. Safe Harbor and Non-GAAP Financial Measures Statements contained in this presentation regarding matters that are not historical facts are “

earningscallaugust82013p DRIVING GROWTH NASDAQ: HILL August 8, 2013 Second Quarter 2013 Earnings Conference Call Dot Hill Systems Corp.

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 11, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission File

Dot Hill Systems Updates Guidance for Second Quarter 2013 Financial Results and Announces Second Quarter 2013 Conference Call Information

FOR IMMEDIATE RELEASE Final Contact: Hanif Jamal Chief Financial Officer Tel: 303-845-3377 Email: investors@dothill.

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 7, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission File

DRIVING GROWTH NASDAQ: HILL June 7, 2013 Sidoti & Company’s Semi-Annual Microcap Conference Dot Hill Systems Corp. Safe Harbor Statements contained in this presentation regarding matters that are not historical facts are “forward- looking statements”

EX-99.1 2 hillinvestorpresentation.htm INVESTOR PRESENTATION DRIVING GROWTH NASDAQ: HILL June 7, 2013 Sidoti & Company’s Semi-Annual Microcap Conference Dot Hill Systems Corp. Safe Harbor Statements contained in this presentation regarding matters that are not historical facts are “forward- looking statements” within the meaning of the Private Securities Litigation Reform Act. Because such stateme

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 20, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission File

Typical OEM Sales Cycle  Length of Cycle is dependent on size of Customer & Customization Requirements  Phases 1 through 3 largely dependent on Dot Hill Execution; Phase 4 on Customer Execution Incremental Opportunities PHASE 1 30-60% PHASE 2 60-75

EX-99.1 2 hillinvestorpresentation.htm INVESTOR PRESENTATION SLIDE Typical OEM Sales Cycle  Length of Cycle is dependent on size of Customer & Customization Requirements  Phases 1 through 3 largely dependent on Dot Hill Execution; Phase 4 on Customer Execution Incremental Opportunities PHASE 1 30-60% PHASE 2 60-75% PHASE 3 75-95% PHASE 4 100% Contract and SOW Product Evaluation V E R B A L A W A

Financial Statements and Exhibits, Results of Operations and Financial Condition, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 6, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission File N

DRIVING GROWTH NASDAQ: HILL May 9, 2013 First Quarter 2013 Earnings Conference Call Dot Hill Systems Corp. Safe Harbor and Non-GAAP Financial Measures Statements contained in this presentation regarding matters that are not historical facts are “forw

earningscallmay62013fina DRIVING GROWTH NASDAQ: HILL May 9, 2013 First Quarter 2013 Earnings Conference Call Dot Hill Systems Corp.

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 9, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission File N

Dot Hill Reports First Quarter 2013 Results

EX-99.1 2 exhibit991-q12013pressrele.htm Q1 2013 EARNINGS RELEASE Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Hanif Jamal Chief Financial Officer Tel: 303-845-3377 Email: [email protected] Jodi Bochert Investor Relations Tel: 303-845-3469 Email: [email protected] Kirsten Chapman LHA Investor Relations Tel: 415-433-3777 Email: [email protected] Dot Hill Reports First Quarter 2013 Results LON

A STRONG FOUNDATION FOR DRIVING GROWTH NASDAQ: HILL April 8, 2013 Welcome Analyst Day Safe Harbor and Non-GAAP Financial Measures Statements contained in this presentation regarding matters that are not historical facts are “forward-looking statement

dothillanalystdayfinal04 A STRONG FOUNDATION FOR DRIVING GROWTH NASDAQ: HILL April 8, 2013 Welcome Analyst Day Safe Harbor and Non-GAAP Financial Measures Statements contained in this presentation regarding matters that are not historical facts are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act.

- DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)

Dot Hill Systems Updates Guidance for First Quarter 2013 Financial Results, Provides Guidance for Second Quarter 2013 and Full Year 2013 and Establishes a Target Operating Model for 2014

FOR IMMEDIATE RELEASE Contact: Hanif Jamal Chief Financial Officer Tel: 303-845-3377 Email: investors@dothill.

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 8, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission File

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 16, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission Fil

Dot Hill Reports Fourth Quarter and Full Year 2012 Results

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Hanif Jamal Chief Financial Officer Tel: 303-845-3377 Email: [email protected] Jodi Bochert Investor Relations Tel: 303-845-3469 Email: [email protected] Becky Herrick & Kirsten Chapman LHA Investor Relations Tel: 415-433-3777 Email: [email protected] Dot Hill Reports Fourth Quarter and Full Year 2012 Results LONGMONT, Colo. -March 14, 2013 - Dot

Dot Hill Systems: Earnings Teleconference Update NASDAQ: HILL March 14, 2013 Safe Harbor and Non-GAAP Financial Measures During the course of this presentation, we may make forward-looking statements regarding the future events or the future performa

irpresentationearningste Dot Hill Systems: Earnings Teleconference Update NASDAQ: HILL March 14, 2013 Safe Harbor and Non-GAAP Financial Measures During the course of this presentation, we may make forward-looking statements regarding the future events or the future performance including revenue and earnings per share performance of the Company.

Financial Statements and Exhibits, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 14, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission Fil

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 14, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission Fil

Financial Statements and Exhibits, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 24, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 13-3460176 (State or other jurisdiction of incorporation or organization) (I.R.

Financial Statements and Exhibits, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 15, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission F

Dot Hill Systems: Investor Presentation NASDAQ: HILL Needham & Company Conference January 17, 2013 Safe Harbor and Non-GAAP Financial Measures During the course of this presentation, we may make forward-looking statements regarding the future events

EX-1.99.1 2 irpresentationjanuary172.htm PRESENTATION MATERIALS OF DOT HILL SYSTEMS CORP. Dot Hill Systems: Investor Presentation NASDAQ: HILL Needham & Company Conference January 17, 2013 Safe Harbor and Non-GAAP Financial Measures During the course of this presentation, we may make forward-looking statements regarding the future events or the future performance including revenue and earnings per

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 7, 2013 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission Fi

Dot Hill Systems: Investor Presentation NASDAQ: HILL Sidoti Conference, January 7, 2013 Safe Harbor and Non-GAAP Financial Measures During the course of this presentation, we may make forward-looking statements regarding the future events or the futu

irpresentationjanuary720 Dot Hill Systems: Investor Presentation NASDAQ: HILL Sidoti Conference, January 7, 2013 Safe Harbor and Non-GAAP Financial Measures During the course of this presentation, we may make forward-looking statements regarding the future events or the future performance including revenue and earnings per share performance of the Company.

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 5, 2012 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 13-3460176 (State or other jurisdiction of incorporation or organization) (I.R.

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 6, 2012 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation) 1-13317 (Commission File Number)

Dot Hill Confidential Growth Rates: Server OEMs vs. Vertical Markets -50% -25% 0% 25% 50% 75% 100% 125% 150% 175% Q1'11 Q2'11 Q3'11 Q4'11 Q1'12 Q2'12 Q3'12 Server-OEM Vertical Markets -50% -25% 0% 25% 50% 75% Q1'11 Q2'11 Q3'11 Q4'11 Q1'12 Q2'12 Q3'12

revenuebymarketpath Dot Hill Confidential Growth Rates: Server OEMs vs. Vertical Markets -50% -25% 0% 25% 50% 75% 100% 125% 150% 175% Q1'11 Q2'11 Q3'11 Q4'11 Q1'12 Q2'12 Q3'12 Server-OEM Vertical Markets -50% -25% 0% 25% 50% 75% Q1'11 Q2'11 Q3'11 Q4'11 Q1'12 Q2'12 Q3'12 Server-OEM Vertical Markets Year-Over-Year Quarterly Revenue Growth Rate Sequential Quarter-Over-Quarter Revenue Growth Rate 16 D

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 8, 2012 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission F

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2012 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission Fil

THIRD AMENDMENT LOAN AND SECURITY AGREEMENT

EX-10.1 2 d367601dex101.htm THIRD AMENDMENT TO LOAN AND SECURITY AGREEMENT Exhibit 10.1 THIRD AMENDMENT TO LOAN AND SECURITY AGREEMENT THIS THIRD AMENDMENT to Loan and Security Agreement (this “Amendment”) is entered into this 22nd day of June, 2012, by and between SILICON VALLEY BANK (“Bank”) and DOT HILL SYSTEMS CORP., a Delaware corporation (“Borrower”) whose address is 1351 S. Sunset Street, L

Entry into a Material Definitive Agreement, Financial Statements and Exhibits - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 22, 2012 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commis

Entry into a Material Definitive Agreement

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 15, 2012 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commiss

Submission of Matters to a Vote of Security Holders - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 7, 2012 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commissi

Entry into a Material Definitive Agreement - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2012 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commissi

Dot Hill Reports First Quarter 2012 Results Non-GAAP Revenue and EPS exceed guidance

Press Release Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Hanif Jamal Chief Financial Officer Tel: 303-845-3377 Email: [email protected] Jodi Bochert Investor Relations Tel: 303-845-3469 Email: [email protected] Peter Seltzberg Hayden IR Tel: 646-415-8972 Email: [email protected] Dot Hill Reports First Quarter 2012 Results Non-GAAP Revenue and EPS exceed guidance LONGMONT, Colo. —May 9, 2

Entry into a Material Definitive Agreement

Form 8-K/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K/A (Amendment No. 1) Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2012 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of in

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 9, 2012 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commission File N

- DEFINITIVE PROXY STATEMENT

DEF 14A 1 d285905ddef14a.htm DEFINITIVE PROXY STATEMENT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for U

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 9, 2012 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commis

Dot Hill Reports Fourth Quarter and Full Year 2011 Results Non-GAAP gross margin increased to 26.3% for full year 2011 from 18.0% for 2010 and the Tier 2 OEM business grew over 40% on a year-over-year basis

PRESS RELEASE Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Hanif Jamal Chief Financial Officer Tel: 303-845-3377 Email: [email protected] Peter Seltzberg Hayden IR Tel: 212-946-2849 Email: [email protected] Dot Hill Reports Fourth Quarter and Full Year 2011 Results Non-GAAP gross margin increased to 26.3% for full year 2011 from 18.0% for 2010 and the Tier 2 OEM business grew over 40% on a yea

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 14, 2012 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Commi

NASDAQ: HILL

PRESENTATION MATERIAL NASDAQ: HILL NASDAQ: HILL Dot Hill Systems: 2007 – 2011 Key Financial Metrics 0 0 Exhibit 99.

Dot Hill Systems Elects Former IBM Executive Barry Rudolph to Board of Directors

Press Release Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Hanif Jamal Chief Financial Officer Tel: 303-845-3377 Email: [email protected] Peter Seltzberg Hayden IR Tel: 646-415-8972 Email: [email protected] Dot Hill Systems Elects Former IBM Executive Barry Rudolph to Board of Directors Longmont, CO. – February 23, 2012 – Dot Hill Systems Corp. (NASDAQ:HILL), a leading provider of SAN storage

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 20, 2012 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Co

Costs Associated with Exit or Disposal Activities - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 2, 2012 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Com

Dot Hill Systems Announces Re-alignment of Software Development Initiatives and Updates Fourth Quarter 2011 Guidance

Exhibit 99.1 FOR IMMEDIATE RELEASE Contact: Hanif Jamal Chief Financial Officer Tel: 303-845-3377 Email: [email protected] Peter Seltzberg Hayden IR Tel: 646-415-8972 Email: [email protected] Dot Hill Systems Announces Re-alignment of Software Development Initiatives and Updates Fourth Quarter 2011 Guidance Longmont, CO. – February 6, 2012 – Dot Hill Systems Corp. (NASDAQ:HILL), a leading pro

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 6, 2012 Dot Hill Systems Corp. (Exact name of registrant as specified in its charter) Delaware 1-13317 13-3460176 (State or other jurisdiction of incorporation) (Com