X0306 4 2017-02-17 0 0000937098 TRINET GROUP INC TNET 0001694481 AGI-T, L.P. 40 MORRIS ROAD C/O ATAIROS MANAGEMENT, L.P. BRYN MAWR PA 19010 1 0 1 0 0001393014 Angelakis Michael J 40 MORRIS ROAD C/O ATAIROS MANAGEMENT, L.P. BRYN MAWR PA 19010 1 0 1 0 0001671176 Atairos Partners GP, Inc. 40 MORRIS ROAD C/O ATAIROS MANAGEMENT, L.P. BRYN MAWR PA 19010 0 0 1 0 0001671185 Atairos Partners, L.P. 40 MORRIS ROAD C/O ATAIROS MANAGEMENT, L.P. BRYN MAWR PA 19010 0 0 1 0 0001671122 Atairos Group, Inc. 40 MORRIS ROAD C/O ATAIROS MANAGEMENT, L.P. BRYN MAWR PA 19010 0 0 1 0 0001694477 A-T Holdings GP, LLC 40 MORRIS AVENUE C/O ATAIROS MANAGEMENT, L.P. BRYN MAWR PA 19010 0 0 1 0 0001697046 A-A SMA, L.P. 40 MORRIS AVENUE C/O ATAIROS MANAGEMENT, L.P., THIRD FLOO BRYN MAWR PA 19010 0 0 1 0 0001697053 A-A SMA GP, LLC 40 MORRIS AVENUE C/O ATAIROS MANAGEMENT, L.P., THIRD FLOO BRYN MAWR PA 19010 0 0 1 0 Restricted Stock Units 2017-02-17 4 A 0 7588 0 A Common Stock 7588 7588 I See footnote This Form 4 is being filed by more than one Reporting Person. The restricted stock units reported herein were granted to Michael J. Angelakis in his capacity as a director of the Issuer. A-T Holdings GP, LLC is the general partner of AGI-T, L.P. Atairos Group, Inc. is the sole member and manager of A-T Holdings GP, LLC and the sole limited partner of AGI-T, L.P. A-A SMA GP, LLC is the general partner of A-A SMA, L.P. Atairos Group, Inc. is the sole member and manager of A-A SMA GP, LLC and the sole limited partner of A-A SMA, L.P. Atairos Partners, L.P. is the sole voting shareholder of Atairos Group, Inc. Atairos Partners GP, Inc. is the general partner of Atairos Partners, L.P. Michael J. Angelakis directly or indirectly controls a majority of the voting power of Atairos Partners GP, Inc. and serves on the board of directors of the Issuer. Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its or his pecuniary interest therein. Each Restricted Stock Unit represents a contingent right to receive one share of TNET common stock. he Restricted Stock Units will vest 100% on February 17, 2018. The Restricted Stock Units are also subject to accelerated vesting upon certain events. File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number. ATAIROS PARTNERS GP, INC., by /s/ David L. Caplan, Vice President 2017-02-22 ATAIROS PARTNERS, L.P., by ATAIROS PARTNERS GP, INC., its general partner, by /s/ David L. Caplan, Vice President 2017-02-22 ATAIROS GROUP, INC., by /s/ David L. Caplan, Vice President and General Counsel 2017-02-22 A-T HOLDINGS GP, LLC, by ATAIROS GROUP, INC., its sole member and manager, by /s/ David L. Caplan, Authorized Signatory 2017-02-22 AGI-T, L.P., by A-T HOLDINGS GP, LLC, its general partner, by ATAIROS GROUP, INC., its sole member and manager, by /s/ David L. Caplan, Authorized Signatory 2017-02-22 A-A SMA, L.P., by A-A SMA GP, LLC, its general partner, by ATAIROS GROUP, INC., its sole member and manager, by /s/ David L. Caplan, Authorized Signatory 2017-02-22 A-A SMA GP, LLC, by ATAIROS GROUP, INC., its sole member and manager, by /s/ David L. Caplan, Authorized Signatory 2017-02-22 /s/ Michael J. Angelakis 2017-02-22