Exhibit

This FAL COMMITMENT AND EXTENSION AGREEMENT (this “Agreement”) is made as of December 12, 2017, by and among Toshiba Memory Corporation, a Japanese corporation (“TMC”), Western Digital Corporation, a Delaware corporation (“WD”), SanDisk LLC, a Delaware limited liability company (“SanDisk”) and SanDisk (Ireland) Limited, a company organized under the laws of the Republic of Ireland (“SanDisk Ireland” and, together with WD, SanDisk and TMC, the “Parties”).

WHEREAS, Toshiba Corporation (“Toshiba”), SanDisk and SanDisk Ireland entered into that certain Flash Alliance Master Agreement on July 7, 2006 (as amended, the “FA Master Agreement”), and the other FA Operative Documents, which collectively provide for the management and operation of Flash Alliance Limited, a Japanese tokurei yugen kaisha (“Flash Alliance”) and which by their terms are set to expire as of December 31, 2021;

WHEREAS, on May 12, 2016, SanDisk Corporation, together with its Subsidiaries, became wholly owned indirect Subsidiaries of WD and SanDisk Corporation subsequently converted from a Delaware corporation to a Delaware limited liability company that is now known as SanDisk LLC;

WHEREAS, on even date herewith, WD, Toshiba, and TMC entered into the Parent Guarantee and Undertaking as to Collaboration, which sets forth, among other things, certain rights and obligations of the parties thereto with respect to WD’s participation in activities related to the Collaboration (as defined therein), including those contemplated by the FA Operative Documents;

WHEREAS, Toshiba and TMC claim that, effective as of April 1, 2017, Toshiba completed a corporate demerger by operation of law that transferred to TMC, Toshiba’s wholly-owned Subsidiary, substantially all of the assets and liabilities of Toshiba’s memory business, and that TMC has assumed Toshiba’s position as a party to the FA Operative Documents;

WHEREAS, following the execution of the Confidential Settlement and Mutual Release Agreement, dated as of even date herewith, by and among Toshiba, TMC, WD, SanDisk, and certain of SanDisk’s Subsidiaries, Toshiba intends to transfer certain other assets and liabilities related to Toshiba’s memory business to TMC, including Toshiba’s equity ownership interests in Flash Alliance; and

WHEREAS, the Parties desire to extend the term of Flash Alliance, the FA Master Agreement and the other FA Operative Documents, and to specify the terms and conditions on which such extension is hereby agreed.

NOW, THEREFORE, on the terms and subject to the conditions and limitations set forth in this Agreement, with reference to Section 2.1 of Appendix A to the FA Operative Documents and Section 2.4 of the FA Operating Agreement, the Parties hereby agree as follows:

**** Indicates that certain information contained herein has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions.

1.1 Application of Appendix A. Appendix A to the FA Operative Documents, as amended by this Agreement (“Appendix A”), shall apply to this Agreement. The capitalized terms used but not defined in this Agreement shall have the respective meanings assigned to them in Appendix A (or, if not defined in Appendix A, the respective meanings assigned to them in the FA Master Agreement) and the rules of construction and documentary conventions set forth in Appendix A shall apply to this Agreement as if set forth herein.

1.2 Effect of this Agreement. Except as expressly set forth in this Agreement, the FA Operative Documents shall be unaffected by this Agreement, and this Agreement shall be governed by and subject to the terms of the FA Operative Documents as amended hereby. From and after the date of this Agreement, each reference in any FA Operative Document to “this Agreement,” “hereof,” “hereunder” or words of like import, and all references to such FA Operative Document in any and all agreements, instruments, documents, notes, certificates and other writings of every kind of nature (other than in this Agreement or as otherwise expressly provided) shall be deemed to mean such FA Operative Document, as amended by and giving effect to this Agreement, whether or not such amendment is expressly referenced.

1.3 Addition to FA Operative Documents. This Agreement shall be deemed to be an FA Operative Document and the definition of “FA Operative Documents” as set forth in Appendix A is hereby amended so as to include this Agreement.

“Term; Extension. The Company shall be terminated on December 31, 2029, unless extended by mutual written agreement of all the Shareholders or earlier terminated in accordance with Section 11 (Dissolution). Any such extension shall be effective only upon the written agreement of all of the Shareholders and shall be on such terms and for such period as set forth in such agreement. The Shareholders agree to meet, no later than December 31, 2028, to discuss the possible extension of the term of the Company.”

2.2 Flash Alliance Articles of Incorporation. Promptly following the date hereof, the Parties shall cause Article 4 of the Articles of Incorporation of Flash Alliance to be amended to extend the term of Flash Alliance to December 31, 2029.

“(l) The Parties agree and acknowledge that in the event of a final determination by an arbitral tribunal under Section 2.5 of Appendix A that a Party has committed or is

committing a continuing material breach of any of **** of this Agreement that would reasonably be expected to cause material damage to Flash Alliance or the non-breaching Party (any such breach, a “Material Breach”), and the breaching Party fails to cure such breach within **** after such determination, then the non-breaching Party shall have as a remedy for Material Breach the termination of Flash Alliance and of this Agreement and the FA Operative Documents, in addition to all other legal and equitable remedies available to such Party. Notwithstanding anything to the contrary in Appendix A, any such termination shall constitute an “Event of Default” of the breaching Party for all purposes of this Agreement and of that certain FAL Commitment and Extension Agreement dated as of December 12, 2017.

In the event that a Party asserts a Material Breach in a written notice to the other Party, the dispute shall proceed as specified in Section 2.5 of Appendix A, provided, however, that

(i) no matters other than the existence of such Material Breach (and counterclaims and defenses directly related to the conduct or circumstances underlying the asserted Material Breach) shall be submitted to or determined by the arbitral tribunal;

(ii) the Parties shall use their respective reasonable best efforts to complete and finalize the Terms of Reference within **** following such assertion of Material Breach; and

(iii) the Parties shall instruct the arbitral tribunal, with the full assistance and cooperation of the Parties, to endeavor to submit its draft award on the existence of the Material Breach to the Court of Arbitration of the ICC for approval within **** following the effective date of the Terms of Reference, provided, that any failure to issue an award in such time period shall not be considered a defense or objection to the enforcement of such award.

(ii) with respect to employees of TMC and employees of WD or any of its Subsidiaries working at the Y4 Facility, (A) in the case of those that are employees of TMC, TMC shall use its reasonable best efforts to retrain or relocate such individuals to other TMC facilities, and (B) in the case of those that are employees of WD or any of its Subsidiaries, WD shall use its reasonable best efforts to retrain or relocate such individuals to other WD facilities, in each case to the maximum extent possible;

4.1 Term. This Agreement shall continue in full force and effect until the latest of (a) the termination of the FA Master Agreement, (b) the completion of the dissolution, liquidation and winding up of Flash Alliance, and (c) the date on which a single Party owns all of the Shares.

4.2 Governing Law. This Agreement shall be governed by and construed in accordance with the internal laws of the State of California applicable to agreements made and to be performed entirely within such state without regard to the conflict of laws principles of such state, except where application of Japanese law is mandatory.

4.3 Further Assurances. Each Party shall from time to time, and shall cause its Affiliates who are party to any FA Operative Document from time to time to, at the reasonable request of the other Parties, and without further consideration (unless otherwise provided for under the FA Operative Documents), execute and deliver such instruments, cooperate and take any other actions as may be reasonably necessary to effectuate (i) the provisions of this Agreement and (ii) the transactions contemplated herein.

4.4 Other Terms. Further to Section 1.1 above, the general, miscellaneous, interpretive, non-disclosure and other terms and conditions provided in Appendix A shall apply to this Agreement as if set forth herein.

4.5 No Admission. Nothing in this Agreement shall constitute or be used as an admission, acquiescence, acknowledgement, or agreement by anyone as to the merit of any claims or defenses, whether or not asserted in any arbitration or other litigation, except to enforce the provisions of this Agreement or any part of any other agreement expressly amended herein. In addition, nothing in this Agreement shall constitute or be used as an admission in any arbitration, litigation, or other proceeding regarding the interpretation of any other agreement.



WESTERN DIGITAL CORPORATION By: /s/ Michael C. Ray Name: Michael C. Ray Title: Executive Vice President, Chief Legal Officer and Secretary	TOSHIBA MEMORY CORPORATION By: /s/ Yasuo Naruke Name: Yasuo Naruke Title: President and Chief Executive Officer

SANDISK LLC By: /s/ Michael C. Ray Name: Michael C. Ray Title: Sole Manager

SANDISK (IRELAND) LIMITED By: /s/ Michael C. Ray Name: Michael C. Ray Title: Director