Inergy Holdings, L.P. 2009 K-1 Tax Packages Now Available

Inergy Holdings, L.P. (Nasdaq:NRGP) announced today its 2009 tax packages, including the Schedule K-1, are now available online and may be accessed through the Inergy website at www.inergylp.com. The partnership expects to complete mailing of the 2009 tax packages to all unitholders by Monday, March 1, 2010. For additional information, unitholders may call the K-1 Tax Package Support hotline toll-free at 866-792-0046 weekdays between 8 a.m. and 5 p.m. CT.

About Inergy Holdings, L.P. and Inergy, L.P.

Inergy Holdings, L.P.’s assets consist of its ownership interests in Inergy, L.P., including limited partnership interests, ownership of the general partners, and the incentive distribution rights. Inergy, L.P., with headquarters in Kansas City, Mo., is among the fastest growing master limited partnerships in the country. The Company’s operations include the retail marketing, sale, and distribution of propane to residential, commercial, industrial, and agricultural customers. Today, Inergy serves nearly 800,000 retail customers from over 300 customer service centers throughout the United States. The Company also operates a natural gas storage business and a supply logistics, transportation, and wholesale marketing business that serves independent dealers and multi-state marketers in the United States and Canada.

Corporate news, unit prices, and additional information about Inergy, including reports from the United States Securities and Exchange Commission, are available on the Company’s website, www.inergylp.com. For more information, contact Mike Campbell in Inergy’s Investor Relations Department at 816-842-8181 or via e-mail at [e-mail].