1. API Specification 16C Choke and Kill Systems Expro 2014 John W. McCaskill, P.E. Senior Technical Advisor Expro PowerChokes John.McCaskill@Exprogroup.com

2. Expro 2014 API 16C Task Group 1 API Specification 16C, Choke and Kill Systems Task Group and History Chair – John McCaskill, Expro PowerChokes Co-Chair – Troy Powell, TimkenSteel 1st Edition, Issued January 1993 Reaffirmed - July 2010 Ballot for Second Edition 10/23 to 12/6/2013 29 Total Ballots Issued  19 Affirmative, 6 Negative, 4 Did Not Vote  Received 43 pages of comments (~370 total)

3. API 16C Task Group 1 API Specification 16C, Choke and Kill Systems Status and Actions Three Committee Meetings Held April 1 st, April 15 th, & May 15 th in Houston to Resolve Comments Re-Ballot for Second Edition Released June 10 th Stretch Goal: to be able to issue the Revision 2 before the 2015 API Winter Meeting Expro 2014

4. API 16C Task Group 1 API Specification 16C, Choke and Kill Systems Going Forward New Committee Chair Named (Chris Scarborough, BP) Second Edition Was Triage for First Edition Address Items Deferred to 3 rd Edition During Previous WG Meetings Address New Concerns & Gaps  Safety  Environment  Technology Determine Scope and Format of 3 rd Edition Meeting Monday Well Attended and Work has Begun Expro 2014