Inergy Midstream, L.P. Declares Increase in Quarterly Cash Distribution

  Inergy Midstream, L.P. Declares Increase in Quarterly Cash Distribution

Business Wire

KANSAS CITY, Mo. -- April 25, 2013

The Board of Directors of NRGM GP, LLC, general partner of Inergy Midstream,
L.P. (NYSE:NRGM), announced that it has declared the company’s quarterly cash
distribution of $0.395 per limited partner unit ($1.58 annually) for the
quarter ended March 31, 2013, representing the fourth consecutive distribution
increase. The distribution will be paid on May 15, 2013, to unitholders of
record as of May 8, 2013.

Inergy Midstream and Inergy, L.P. (NYSE:NRGY) each plan to release fiscal 2013
second quarter earnings on May 7, 2013. Inergy Midstream and Inergy will host
a joint conference call and internet webcast on May 7, 2013, at 10:00 a.m.
Central Time to discuss the results of operations for the quarter ended March
31, 2013. The call-in number for the earnings call is 1-877-405-3427, and the
conference name is Inergy. The live internet webcast and the replay can be
accessed on Inergy Midstream’s website, www.inergylp.com. A digital recording
of the call will be available for one week following the call by dialing
1-855-859-2056 and entering the pass code 57678868.

About Inergy Midstream, L.P.

Inergy Midstream, L.P., headquartered in Kansas City, Missouri, is a publicly
traded master limited partnership engaged in the development and operation of
natural gas, NGL and crude oil storage, transportation, and logistics
businesses in the Northeast region of the United States and in North Dakota.

This press release may include certain statements concerning expectations for
the future that are forward-looking statements as defined by federal law. Such
forward-looking statements are subject to a variety of known and unknown
risks, uncertainties, and other factors that are difficult to predict and many
of which are beyond management’s control. These risks and assumptions are
described in Inergy Midstream’s annual reports on Form 10-K and other reports
that are available from the United States Securities and Exchange Commission.
Readers are cautioned not to place undue reliance on forward-looking
statements, which reflect management’s view only as of the date made. We
undertake no obligation to update any forward-looking statement, except as
otherwise required by law.

Corporate news, unit prices, and additional information about Inergy
Midstream, including reports from the United States Securities and Exchange
Commission, are available on the company’s website, www.inergylp.com. For more
information, contact Vince Grisell in Inergy Midstream’s Investor Relations
Department at 816-842-8181 or via e-mail at
investorrelations@inergyservices.com.

This release is intended to be a qualified notice under Treasury Regulation
Section 1.1446-4(b). Brokers and nominees should treat one hundred percent of
Inergy Midstream’s distributions to foreign investors as being attributable to
income that is effectively connected with a United States trade or business.
Accordingly, Inergy Midstream’s distributions to foreign investors are subject
to federal income tax withholding at the highest applicable effective tax
rate.

Contact:

Inergy Midstream, L.P.
Vince Grisell, 816-842-8181
investorrelations@inergyservices.com