X0306 4 2019-09-06 true 0001613859 PRA Health Sciences, Inc. PRAH 0001619838 KKR PRA Investors L.P. C/O KOHLBERG KRAVIS ROBERTS & CO. L.P 9 WEST 57TH STREET, SUITE 4200 NEW YORK NY 10019 true 0001635867 KKR PRA Investors GP II LLC C/O KOHLBERG KRAVIS ROBERTS & CO. L.P. 9 WEST 57TH STREET, SUITE 4200 NEW YORK NY 10019 true 0001619836 KKR PRA Investors GP LLC C/O KOHLBERG KRAVIS ROBERTS & CO. L.P 9 WEST 57TH STREET, SUITE 4200 NEW YORK NY 10019 true 0001541293 KKR North America Fund XI L.P. C/O KOHLBERG KRAVIS ROBERTS & CO. L.P. 9 WEST 57TH STREET, SUITE 4200 NEW YORK NY 10019 true 0001552453 KKR North America XI Ltd C/O KOHLBERG KRAVIS ROBERTS & CO. L.P. 9 WEST 57TH STREET, SUITE 4200 NEW YORK NY 10019 true Common Stock 2019-09-06 4 S 0 6666684 97.41 D 29300 I See Footnotes Common Stock 2019-09-06 4 J 0 29300 0 D 0 I See Footnotes This amount represents the secondary public offering price per share of common stock of PRA Health Sciences, Inc., less the underwriting discount of $0.09 per share. Securities are held by KKR PRA Investors L.P. KKR PRA Investors GP II LLC is the general partner of KKR PRA Investors L.P. KKR PRA Investors GP LLC is the sole member of KKR PRA Investors GP II LLC. KKR North America Fund XI L.P. is the sole member of KKR PRA Investors GP LLC. KKR Associates North America XI L.P. is the general partner of KKR North America Fund XI L.P. KKR North America XI Limited is the general partner of KKR Associates North America XI L.P. KKR Fund Holdings L.P. is the sole shareholder of KKR North America XI Limited. KKR Fund Holdings GP Limited is a general partner of KKR Fund Holdings L.P. KKR Group Holdings Corp. is a general partner of KKR Fund Holdings L.P. and the sole shareholder of KKR Fund Holdings GP Limited. KKR & Co. Inc. is the sole shareholder of KKR Group Holdings Corp. KKR Management LLC is the sole holder of Class B common stock of KKR & Co. Inc. Messrs. Henry R. Kravis and George R. Roberts are the designated members of KKR Management LLC. Represents shares being distributed in-kind to KKR North America Fund XI L.P., which are being further distributed to KKR Associates North America XI L.P., which are being further distributed to KKR North America XI Limited, which are being further distributed to KKR Fund Holdings L.P., which are being distributed to one of its limited partners, and which are being further distributed ultimately to individuals who have indirect interest in such shares. Each of the Reporting Persons (other than KKR PRA Investors L.P.), disclaims beneficial ownership of the securities reported herein except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than KKR PRA Investors L.P.) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose. Because no more than 10 reporting persons can file any one Form 4 through the Securities and Exchange Commission's EDGAR system, KKR Fund Holdings L.P., KKR Fund Holdings GP Limited, KKR Group Holdings Corp., KKR & Co. Inc., KKR Management LLC and Messrs. Henry R. Kravis and George R. Roberts have filed a separate Form 4. KKR PRA INVESTORS L.P. By: KKR PRA Investors GP II LLC, its general partner By: /s/ Terence P. Gallagher Name: Terence P. Gallagher Title: Attorney-in-fact for William J. Janetschek, Vice President 2019-09-10 KKR PRA INVESTORS GP II LLC By: /s/ Terence P. Gallagher Name: Terence P. Gallagher Title: Attorney-in-fact for William J. Janetschek, Vice President 2019-09-10 KKR PRA INVESTORS GP LLC By: /s/ Terence P. Gallagher Name: Terence P. Gallagher Title: Attorney-in-fact for William J. Janetschek, Vice President 2019-09-10 KKR NORTH AMERICA FUND XI L.P. By: KKR North America XI Limited, its general partner By: /s/ Terence P. Gallagher Name: Terence P. Gallagher Title: Attorney-in-fact for William J. Janetschek, Director 2019-09-10 KKR NORTH AMERICA XI LIMITED By: /s/ Terence P. Gallagher Name: Terence P. Gallagher Title: Attorney-in-fact for William J. Janetschek, Director 2019-09-10