X0306 4 2015-04-01 0 0001411574 Surgical Care Affiliates, Inc. SCAI 0001495741 TPG Group Holdings (SBS) Advisors, Inc. C/O TPG GLOBAL, LLC 301 COMMERCE STREET, SUITE 3300 FORT WORTH TX 76102 0 0 1 0 0000860866 BONDERMAN DAVID C/O TPG GLOBAL, LLC 301 COMMERCE STREET, SUITE 3300 FORT WORTH, TX 76102 0 0 1 0 0001099776 COULTER JAMES G C/O TPG GLOBAL, LLC 301 COMMERCE STREET, SUITE 3300 FORT WORTH, TX 76102 0 0 1 0 Common Stock 2015-04-01 4 S 0 7784436 D 16156480 I See Explanation of Responses The price equals $32.003125 per share of Common Stock (each, a "Share") of Surgical Care Affiliates, Inc. (the "Issuer"), which represents the public offering price of $33.25 per Share less the underwriters' discount of $1.246875 per Share. David Bonderman and James G. Coulter are officers and sole shareholders of TPG Group Holdings (SBS) Advisors, Inc. ("Group Advisors" and, together with Messrs. Bonderman and Coulter, the "Reporting Persons"), which is the general partner of TPG Group Holdings (SBS), L.P., which is the sole member of TPG Holdings I-A, LLC, which is the general partner of TPG Holdings I, L.P., which is the sole member of TPG GenPar V Advisors, LLC, which is the general partner of TPG GenPar V, L.P., which is the general partner of each of (i) TPG Partners V, L.P. ("TPG Partners V"), which directly holds 16,080,493 Shares, (ii) TPG FOF V-A, L.P. ("FOF V-A"), which directly holds 42,067 Shares, and (iii) TPG FOF V-B, L.P. ("FOF V-B" and, together with TPG Partners V and FOF V-A, the "TPG Funds"), which directly holds 33,920 Shares. Because of the relationship between the Reporting Persons and the TPG Funds, the Reporting Persons may be deemed to beneficially own the securities reported herein to the extent of the greater of their respective direct or indirect pecuniary interests in the profits or capital accounts of the TPG Funds. Each Reporting Person and each of the TPG Funds disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's or such TPG Fund's pecuniary interest therein, if any. Pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), this filing shall not be deemed an admission that the Reporting Persons are, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owners of any equity securities in excess of their respective pecuniary interests. (5) The Reporting Persons are jointly filing this Form 4 pursuant to Rule 16a-3(j) under the Exchange Act. (6) Ronald Cami is signing on behalf of both Messrs. Bonderman and Coulter pursuant to authorization and designation letters dated July 1, 2013, which were previously filed with the Securities and Exchange Commission. /s/ Ronald Cami, Vice President,TPG Growth II Advisors, Inc. (5) 2015-04-02 /s/ Ronald Cami, on behalf of David Bonderman (5) (6) 2015-04-02 /s/ Ronald Cami, on behalf of James G. Coulter (5) (6) 2015-04-02