X0306 4 2019-09-13 0 0001668397 Medpace Holdings, Inc. MEDP 0001622058 Troendle August J. C/O MEDPACE HOLDINGS, INC. 5375 MEDPACE WAY CINCINNATI OH 45227 1 1 1 0 President & CEO Common Stock 603702 D Common Stock 7751125 I By Medpace Investors, LLC Common Stock 10000 I By son Employee Stock Option (Right to Buy) 14.41 2019-09-13 4 P 0 117132 40.59 A 2021-06-10 Common Stock 117132 117132 I By Medpace Investors, LLC Employee Stock Option (Right to Buy) 14.41 2019-09-13 4 P 0 17035 40.59 A 2021-07-07 Common Stock 17035 17035 I By Medpace Investors, LLC Employee Stock Option (Right to Buy) 16.20 2019-09-13 4 P 0 73265 38.80 A 2022-03-31 Common Stock 73265 73265 I By Medpace Investors, LLC Employee Stock Option (Right to Buy) 16.88 2019-09-13 4 P 0 10887 38.12 A 2022-07-31 Common Stock 10887 10887 I By Medpace Investors, LLC Employee Stock Option (Right to Buy) 18.23 2019-09-13 4 P 0 11112 36.77 A 2023-03-31 Common Stock 11112 11112 I By Medpace Investors, LLC The Reporting Person is the sole manager and controlling unit holder of Medpace Investors, LLC ("MPI") and has sole voting and investment control with respect to the securities held by MPI. The Reporting Person may be deemed to indirectly beneficially own the securities of the Issuer held by MPI but disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein. Stock options were purchased pursuant to the Tender Offer Statement on Schedule TO (the "Offer") filed with the Securities and Exchange Commission on August 5, 2019 (together with any subsequent amendments or supplements thereto). Pursuant to the Offer, MPI purchased 229,431 vested stock options from Eligible Holders (as defined in the Offer) upon the terms and conditions set forth in the Offer. The Offer expired at 11:59 p.m., Eastern Time, on September 13, 2019. The stock options subject to this purchase are fully vested and exercisable. /s/ Stephen P. Ewald, Attorney-in-Fact for August J. Troendle 2019-09-17