FOIA Confidential Treatment Requested
Execution Version

Exhibit 10.6

FAL COMMITMENT AND EXTENSION AGREEMENT
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:

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**** 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.
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FOIA Confidential Treatment Requested
Execution Version

1.    RELATION TO FA OPERATIVE DOCUMENTS
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.
2.    EXTENSION
2.1    FAL Term Extended. Section 2.4 (“Term; Extension”) of the FA Operating
Agreement is hereby amended and restated in its entirety as follows:
“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.
3.    OTHER COVENANTS AND AMENDMENTS
3.1    Material Breach. Section 8.1 (“Termination”) of the FA Master Agreement
is hereby amended to add the following provision as a new Section 8.1(l)
thereof:
“(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

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**** 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.
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FOIA Confidential Treatment Requested
Execution Version

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.
The Parties agree to attempt in good faith to resolve any potential claim for
Material Breach.”
3.2    Restructuring Costs. Section 8.1(j) of the FA Master Agreement is hereby
amended and restated in its entirety as follows:
“In connection with any termination of Flash Alliance, the FA Master Agreement
and/or the FA Operating Agreement:
(i)    the Parties shall exercise their respective reasonable best efforts to
plan such termination in advance with the goal of minimizing related costs;
(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;
(iii)     ****

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**** 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.
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Execution Version

(iv)    ****
(v)    ****
3.3    Consequences of Deadlock Termination. Section 8.1(f)(i) of the FA Master
Agreement is hereby amended and restated in its entirety as follows:
“ (i) there shall be no capacity ramp-down rights or obligations,”.
4.    MISCELLANEOUS
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.
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**** 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.
4

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Exhibit 10.6
FOIA Confidential Treatment Requested
Execution Version

IN WITNESS WHEREOF, the Parties have caused this Agreement to be executed by
their respective duly authorized representatives as of the date first written
above.
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
 

[Signature Page to FAL Commitment and Extension Agreement]