Niska Gas Storage Partners LLC (NYSE: NKA), a natural gas storage company, will hold its first earnings conference call to discuss fourth quarter and full year results for the period ending March 31, 2010 on Wednesday, June 23, 2010, at 11:30 a.m. Eastern Time (10:30 a.m. Central Time).

This call is being webcast by Thomson Reuters and can be accessed at Niska’s Web site at www.niskapartners.com.

The webcast is also being distributed through the Thomson Reuters StreetEvents Network. Individual investors can listen to the call at www.earnings.com, Thomson Reuters’ individual investor portal, powered by StreetEvents. Institutional investors can access the call via StreetEvents ( www.streetevents.com), a password-protected event management site.

About Niska

Niska is the largest independent owner and operator of natural gas storage in North America, with strategically located assets in key natural gas producing and consuming regions. Niska owns and operates three facilities, including the AECO Hub™ in Alberta, Canada; Wild Goose in Northern California; and Salt Plains in Oklahoma. Niska also contracts gas storage capacity on the Natural Gas Pipeline Company of America system. In total, Niska owns or contracts approximately 185.5 Bcf of gas storage capacity.

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