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, The Timken Corporation 1st Edition, Issued January 1993 Reaffirmed - July 2010 Committee Meetings Held July 23 rd and August 15 th (TIEC) with Strong Attendance Ballot for Second Edition 10/23 to 12/6/2013

3. API 16C Task Group 1 API Specification 16C, Choke and Kill Systems Status and Actions 29 Total Ballots Issued  19 Affirmative, 6 Negative, 4 Did Not Vote Received 43 pages of comments (~400 total), probably because more people received and read the draft this time. Many comments duplicate (Number TBD). Meeting held past Monday (43 Attendees) Dealt with negative votes as priority  Worked through ~40 out of 70 comments  Trying to avoid having to re-ballot Intend to schedule a Task Group working meeting for two days in February to work through the ballot comments. The comments will be distributed to the Task Group for review prior to the meeting Expro 2014

4. API 16C Task Group 1 API Specification 16C, Choke and Kill Systems Status and Actions It is not clear yet if the ballot comments we received will necessitate a 4th ballot or not. Intend to have meetings (possibly two days) at TIEC in early February. Will resolve what is realistic for Revision 2 Will immediately start on Revision 3 with acceptance of Revision 2. Stretch Goal: to be able to issue the document before the 2014 API Summer Meeting. Expro 2014