Working Groups:
- Front matter : Bill Gropp(c), Bronis de Supinski, Torsten Hoefler
- Introduction : Bill Gropp(c), Bronis de Supinski, Torsten Hoefler
- Terms and Definitions : Jeff Squyres, Rolf Rabenseifner(c), Bill Gropp, David Solt
- Point-to-Point Communication : Richard Graham(c), Anthony Skjellum, Fab Tillier, Brian Smith, Devendar Bureddy, Bill Gropp, Torsten Hoefler, Adam Moody, Martin Schulz, Brian Barrett
- Datatypes - George Bosilca (c), Quincey Koziol, Anthony Skjellum, James Dinan, Dave Goodell, Adam Moody, David Solt, Fab Tillier
- Collective Communication : Adam Moody, Torsten Hoefler, Hideyuki Jitsumoto, Brian Smith, Fab Tillier
- Process Topologies : Torsten Hoefler(c), Puri Bangalore, Shinji Sumimoto, Dave Goodell, Adam Moody
- Groups, Contexts, and Communicators : Bill Gropp(c), Puri Bangalore, Bronis de Supinski, James Dinan, Dave Goodell, Josh Hursey, Adam Moody, Pavan Balaji
- Environmental Management : George Bosilca(c), Josh Hursey, Terry Dontje, Scott McMillan, Martin Shultz
- Info-Object : Darius Buntinas(c), Dave Goodell, Torsten Hoefler, Terry Dontje
- Process Creation and Management : David Solt(c), Josh Hursey, Terry Dontje, Scott McMillan, Douglas Miller
- One-Sided Communications : Bill Gropp(c), Rajeev Thakur(c), Sayantan Sur, Pavan Balaji, Devendar Bureddy, James Dinan, Torsten Hoefler, Douglas Miller, Adam Moody, Sreeram Potluri, Rajeev Thakur, Brian Barrett
- External Interfaces : Bronis R. de Supinski(c), Pavan Balaji, Pavan Balaji, James Dinan, Douglas Miller
- I/O : Rajeev Thakur(c), Quincey Koziol, Brian Smith, Mohamad Chaarawi, Adam Moody
- Profiling interface : Bronis R. de Supinski(c), Martin Schulz, Dave Goodell, Kathryn Mohror
- Deprecated Functions : Rolf Rabenseifner(c)
- Language Bindings : Jeffrey M. Squyres(c), Rolf Rabenseifner, Craig Rasmussen, Martin Schulz
- Annex Language Bindings Summary : Rolf Rabenseifner(c)
- Annex Change-Log : Rolf Rabenseifner(c)
- Bibliography : Bill Gropp(c)