Sec Form 3 Filing - SLP V Titus Holdings II, L.P. @ TWITTER, INC. - 2021-12-16

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person SLP V Titus Holdings II, L.P. 2. Issuer Name and Ticker or Trading Symbol TWITTER, INC. [ TWTR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O SILVER LAKE, 2775 SAND HILL ROAD, SUITE 100 3. Date of Earliest Transaction (MM/DD/YY) 12/16/2021 (Street) MENLO PARK, CA94025 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares 0.375% Convertible Senior Notes due 2025( 1 )( 2 ) $ 41.5( 6 ) ( 4 ) ( 4 ) Common Stock 19,277,120( 5 ) D( 3 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other SLP V Titus Holdings II, L.P. C/O SILVER LAKE 2775 SAND HILL ROAD, SUITE 100 MENLO PARK, CA94025 X SLP V Titus GP II, L.L.C. C/O SILVER LAKE 2775 SAND HILL ROAD, SUITE 100 MENLO PARK, CA94025 X SLP V Aggregator GP, L.L.C. C/O SILVER LAKE 2775 SAND HILL ROAD, SUITE 100 MENLO PARK, CA94025 X Signatures By: /s/ Andrew J. Schader, Managing Director and General Counsel of Silver Lake Group, L.L.C., managing member of SLTA V (GP), L.L.C., general partner of Silver Lake Technology Associates V, L.P., managing member of SLP V Aggregator GP, L.L.C. 12/17/2021 Signature of Reporting Person Date By: /s/ Andrew J. Schader, Managing Director of SLP V Titus GP II, L.L.C. 12/17/2021 Signature of Reporting Person Date By: /s/Andrew J. Schader, Managing Director of SLP V Titus GP II, L.L.C., general partner of SLP V Titus Holdings II, L.P. 12/17/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The aggregate amount of 0.375% Convertible Senior Notes due 2025 (the "Convertible Notes") held by affiliates of Silver Lake Group, L.L.C. has not changed since the date of original acquisition, and is not changing now. This Form 3 is filed by SLP V Titus Holdings II, L.P. ("SLP Titus II"), its general partner, SLP V Titus GP II, L.L.C ("SLP Titus GP II"), and SLP Titus GP II's sole member, SLP V Aggregator GP, L.L.C. ("SLP V GP"), in connection with an internal reorganization of certain investments held on behalf of certain investment funds affiliated with Silver Lake ("SLP Funds"). ( 2 )In connection with such internal reorganization, one of the previous direct holders of these Convertible Notes, SLP V Titus Holdings, L.P. made an in-kind distribution of the Convertible Notes it directly held, which Convertible Notes were transferred to a new affiliated holding vehicle, SLP Titus II. Such transfer did not otherwise represent any change in pecuniary interest of any of the SLP Funds or their affiliates. Not included on this form is $200,000,000 principal amount of Convertible Notes acquired by SLA CM Titus Holdings, L.P. in the original acquisition and which SLA CM Titus Holdings, L.P. continues to hold. ( 3 )Represents $800,000,000 principal amount of Convertible Notes held by SLP Titus II. SLP Titus GP II is the general partner of SLP Titus II. SLP V GP is the sole member of SLP Titus GP II. Silver Lake Technology Associates V, L.P. ("SLTA V") is the managing member of SLP V GP. SLTA V (GP), L.L.C. ("SLTA V GP") is the general partner of SLTA V. Silver Lake Group, L.L.C. is the managing member of SLTA V GP. Mr. Egon Durban serves as a member of the board of directors of Twitter, Inc. (the "Issuer") and as a Co-CEO and Managing Member of SLG. Each of SLP Titus II, SLP Titus GP II, SLTA V, SLTA V GP and SLG may be deemed to be a director by deputization of the Issuer. ( 4 )The Convertible Notes mature on March 15, 2025, subject to earlier redemption, repurchase or conversion in accordance with their terms. ( 5 )Upon conversion of the Convertible Notes the Issuer will deliver, at its election, cash, shares of Common Stock or a combination thereof, and upon a redemption of the Convertible Notes at the option of the Issuer the redemption price will be paid in cash, shares of Common Stock or a combination thereof at the election of the holder. This number represents the number of shares of Common Stock issuable upon conversion of the Convertible Notes if the Issuer elects to settle its conversion obligation solely through shares of Common Stock by delivering a number of shares of Common Stock at the current conversion rate of 24.0964 shares of Common Stock (the "Conversion Rate"), and cash in lieu of fractional shares of Common Stock, per $1,000 principal amount of Convertible Notes. The initial Conversion Rate is subject to adjustment from time to time upon the occurrence of certain customary events in accordance with the terms of an indenture governing the Convertible Notes. ( 6 )The current conversion rate of 24.0964 shares of common stock of the Issuer ("Common Stock") per $1,000 principal amount of Convertible Notes is equivalent to a conversion price of approximately $41.50 per share of Common Stock.

Remarks: The Reporting Persons are jointly filing this Form 3 pursuant to Rule 16a-3(j) under the Exchange Act. This filing shall not be deemed an admission that the Reporting Persons are beneficial owners of all securities covered by this filing for purposes of Section 16 of the Exchange Act or otherwise, or are subject to Section 16 of the Exchange Act, and each Reporting Person disclaims beneficial ownership of these securities, except to the extent of such Reporting Person's pecuniary interest therein, if any.

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