What:
 Joe Mills, Chief Executive Officer of Eagle Rock Energy Partners L.P.
 (EROC), will preside over the opening bell.

 Where:
 NASDAQ MarketSite - 4 Times Square - 43rd & Broadway - Broadcast Studio

 When:
 Thursday, January 10, 2008 at 9:30 a.m. ET

 Contacts:
 Birgitta Flynn
 Eagle Rock Energy Partners, L.P.
 Phone: 281.408.1242
 Email: b.flynn@eaglerockenergy.com

 NASDAQ MarketSite:
 Jolene Libretto; 646.441.5220
 Jolene.Libretto@NASDAQ.com

Feed Information:

The opening bell is available from 9:20 a.m. to 9:35 a.m. on Galaxy 26 - uplink IA6 C band / transponder 24, downlink frequency 4180 horizontal. The feed can also be found on Waterfront fiber 1623. If you have any questions, please contact Jolene Libretto (646) 441-5220.

Radio Feed:

An audio transmission of the opening bell is also available from 9:20 a.m. to 9:35 a.m. on uplink IA6 C band / transponder 24, downlink frequency 4180 horizontal. The feed can be found on Waterfront fiber 1623 as well.

Webcast:

A live webcast of the NASDAQ Opening Bell will be available at: http://www.nasdaq.com/reference/marketsite_about.stm.

Photos:

To obtain a hi-resolution photograph of the Market Open, please go to http://www.nasdaq.com/reference/marketsite_events.stm and click on the market open of your choice.

About Eagle Rock Energy Partners L.P. (EROC):

This news release was distributed by PrimeNewswire, www.primenewswire.com

SOURCE: The Nasdaq Stock Market, Inc.; Eagle Rock Energy Partners L.P.

Eagle Rock Energy Partners, L.P. is a growth-oriented midstream and upstream energy partnership engaged in the businesses of: (i) gathering, compressing, treating, processing, transporting and selling natural gas, (ii) fractionating and transporting natural gas liquids, and (iii) acquiring, developing, and producing oil and gas interests. Its corporate office is located in Houston, Texas.