Enterra Energy Trust Notice of First Quarter 2008 Conference Call and Webcast

Market Wire, May, 2008

Enterra Energy Trust ("Enterra" or the "Trust") (TSX: ENT.UN) (NYSE: ENT) will host a conference call and webcast on Thursday, May 22, at 9:00 a.m. Mountain Time (11:00 a.m. ET), to discuss the Trust's first quarter 2008 financial and operating results, and to discuss recent positive developments.

To access the call, please dial 866-540-8136 or 416-406-6419. A live audio webcast of the conference call will be available on the home page of our website at www.enterraenergy.com .

A replay of the conference call will be available until 11:59 p.m. MT, May 29, 2008. The replay may be accessed on Enterra's website in the Investor Relations section, or by dialing 800-408-3053 or 416-695-5800, followed by passcode 3260594#.

Contacts: Enterra Energy Trust Kristin Mason Investor Relations Coordinator (403) 263-0262 or Toll Free: 1-877-263-0262 Email: info@enterraenergy.com Website: www.enterraenergy.com