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THIRD AMENDMENT TO
DEVELOPMENT AND OEM SUPPLY AGREEMENT
 THIS THIRD AMENDMENT Third Amendment Agreement Third Amendment Date Dot Hill Systems Corp. Dot Hill Systems B.V. Dot Hill Network Appliance, Inc. Network Appliance Holding and Manufacturing, B.V. Network Appliance B.V. NetApp party parties
 BACKGROUND:
 WHEREAS
 WHEREAS,
 WHEREAS
 NOW, THEREFORE,
 THIRD AMENDMENT:
 Application of Existing Provisions Exhibit P, Rev. 1
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Description of Exhibits
    
    Exhibit ReferencesDot Hill Quality Requirements
    
    Exhibit E, Rev. 1Order Replenishment and Logistics Requirements
    
    Exhibit F, Rev. 2NetApp Customer Support Requirements
    
    Exhibit G, Rev. 1[...***...] Plan
    
    Exhibit H, Rev. 1Mutual Non-Disclosure Agreement
    
    Exhibit IRequirements Obligations
    
    Exhibit J, Rev. 1NetApp Workmanship Standards
    
    Exhibit KManufacturing Test Requirements
    
    Exhibit LOn-Site Support Requirements
    
    Exhibit MList of NetApp Other Technology
    
    Exhibit OBusiness Continuity Plan
    
    Exhibit P, Rev. 1
 Modified Exhibits Replacement Exhibit Existing Exhibit
 Description of Exhibit
    
    Existing Exhibit
    
    Replacement ExhibitProduct Price and Bill of Materials Breakdown
    
    Exhibit B, Rev. 7
(as may be updated
pursuant to Section
6.5 of the base
Agreement)
    
    Exhibit B, Rev. 8
(as may be updated
pursuant to Section
6.5 of the base
Agreement)Product Forecast
    
    Exhibit D, Rev. 2
(as may be updated
pursuant to Section
6.5 of the base
Agreement)
    
    Exhibit D, Rev. 3
(as may be updated
pursuant to Section
6.5 of the base
Agreement)NetApp Designated Technology
    
    Exhibit N, Rev. 2
    
    Exhibit N, Rev. 3
 Supplementary Exhibits Added Exhibit Existing Exhibits Exhibit A-2 Exhibit C-3 Exhibit P-1
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Exhibit P-2 Exhibit P-3
 Description of Exhibit
    
    Existing Exhibits
    
    Added ExhibitEngineering Specifications
    
    Exhibit A & Exhibit A-1
    
    Exhibit A-2Product Price and Bill of Materials Breakdown
    
    Exhibit B
    
    Exhibit B-1Statement of Work and Acceptance Criteria
    
    Exhibit C, Exhibit C-1
& Exhibit C-2
    
    Exhibit C-3Business Continuity Plan
    
    Exhibit P, Rev. 1
    
    Exhibit P-1
 Updated References
 Description
    
    Original References
    
    Updated ReferencesEngineering Specifications
    
    Exhibit A
    
    Exhibit A, Exhibit A-1, & Exhibit A-2Product Price and Bill of Materials Breakdown
    
    Exhibit B
    
    Exhibit B, Rev. 8 & Exhibit B-1Statement of Work and Acceptance Criteria
    
    Exhibit C
    
    Exhibit C, Exhibit C-1, Exhibit C-2 & Exhibit C-3Product Forecast
    
    Exhibit D
    
    Exhibit D, Rev. 3NetApp Designated Technology
    
    Exhibit N
    
    Exhibit N, Rev. 3Business Continuance Plan
    
    Exhibit P
    
    Exhibit P, Rev. 1, Exhibit P-1
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Miscellaneous
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IN WITNESS WHEREOF
 DOT HILL SYSTEMS CORP.
 /s/ Dana W. Kammersgard
   11/2/07
 DOT HILL SYSTEMS B.V.
 /s/ Hanif I. Jamal
   11/2/07
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NETWORK APPLIANCE, INC.
 /s/ Michael W. Wais
   11/2/2007
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NETWORK APPLIANCE HOLDING AND
MANUFACTURING, B.V.
 /s/ Volker Weisshaar
 Volker Weisshaar
 Director Legal Affairs EMEA
 November 5, 2007
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EXHIBIT A-2
 Engineering Specifications
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EXHIBIT B, REV. 8
 Product Price and Bill of Materials Breakdown
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EXHIBIT B, REV. 8
 Attachment 1
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EXHIBIT B, REV. 8
 Attachment 2
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*** Confidential Treatment Requested
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    CONFIDENTIAL
    
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EXHIBIT D, REV. 3
 Product Forecast
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Exhibit N, Rev. 3
 List of NetApp Designated Technology
 What
    
    Comment[...***...]
    
    [...***...]
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Document No. 1-P-0028Edition A
 EXHIBIT P, REV. 1
 Business Continuance Plan
   ***
Confidential Treatment Requested