Star Trek Episode Four Available to Harrah's Entertainment's Total Rewards Members on WMS Slot Machines

LAS VEGAS, NV--(Marketwire - August 17, 2009) - Harrah's Entertainment, Inc.'s Total Rewards
members can now unlock Star TrekT Episode Four on more than 100 WMST
slot machines available in 29 of 36 Total Rewards casino resorts across the
country, an additional four casinos will have Episode 4 available later
this year.

First introduced in late 2008, the WMS Star Trek game is the first
personalized slot experience that integrates directly into a player loyalty
program. Guests use their Total Rewards card to save their progress and can
resume their game on any WMS Star Trek machine in a Total Rewards casino
resort. Additionally, Total Rewards members can earn exclusive "bonus"
achievement medals for their Harrah's play to gain access to each episode.

"Only Total Rewards members can earn the bonus achievement medals while
enjoying this unique and personalized gaming experience, featured
exclusively on WMS Star Trek slot machines. In today's casino gaming
environment, guests demand these personalized experiences. Harrah's
Entertainment is on the forefront of delivering this," said Katrina Lane,
senior vice president and chief technology officer of Harrah's
Entertainment. "Thousands have tried their luck on our Star Trek slot
machines, and more than 2,500 have unlocked Episode 3 in less than six
months."

WMS's Star Trek slot machines are available at a number of Harrah's owned
or managed casino resorts across the country, including: Bally's Atlantic
City, Bally's Las Vegas, Caesars Atlantic City, Caesars Palace, Caesars
Windsor, Flamingo Las Vegas, Grand Biloxi, Harrah's Chester, Harrah's
Council Bluffs, Harrah's Lake Tahoe, Harrah's Las Vegas, Harrah's Laughlin,
Harrah's Resort Atlantic City, Harrah's Louisiana Downs, Harrah's New
Orleans, Harrah's North Kansas City, Harrah's Phoenix Ak-Chin, Harrah's
Reno, Harrah's Rincon (San Diego), Harrah's St. Louis, Harrah's Tunica,
Harvey's Lake Tahoe, Horseshoe Bossier City, Horseshoe Council Bluffs,
Horseshoe Hammond, Horseshoe Southern Indiana, Horseshoe Tunica, Imperial
Palace, O'Sheas, Paris Las Vegas, Rio All Suites Hotel & Casino, Sheraton
Tunica and Showboat.

"We worked closely with the technology-forward Harrah's team to integrate
-- for the first time -- a customer loyalty program directly into the slot
machine player experience," said Orrin J. Edidin, president of WMS. "Our
category creating Adaptive Gaming® technology platform enables players to
experience unique gaming entertainment through new game episodes released
over time. We're confident that Harrah's Total Rewards members will enjoy
these new personalized gaming experiences made possible by the release of
Episode 4 of the Star Trek series."

Since the initial launch there has been over 150,000 unique logins
established across the country and player engagement continues to grow.

About WMS

WMS (NYSE: WMS) is engaged in serving the gaming industry worldwide by
designing, manufacturing and marketing video and reel-spinning gaming
machines, video lottery terminals, and in gaming operations, which consists
of the placement of leased participation gaming machines in legal gaming
venues. WMS is headquartered in Waukegan, IL. For more information, please
visit www.wms.com.

About Harrah's Entertainment

Harrah's Entertainment, Inc. is the world's largest provider of branded
casino entertainment. Since its beginning in Reno, Nevada, more than 71
years ago, Harrah's has grown through development of new properties,
expansions and acquisitions, and now owns or manages casinos on four
continents. The Company's properties operate primarily under the
Harrah's®, Caesars® and Horseshoe® brand names; Harrah's also owns
the London Clubs International family of casinos and the World Series of
Poker®. Harrah's Entertainment is focused on building loyalty and value
with its customers through a unique combination of great service, excellent
products, unsurpassed distribution, operational excellence and technology
leadership. Harrah's is committed to environmental sustainability and
energy conservation and recognizes the importance of being a responsible
steward of the environment. For more information, please visit
http://www.harrahs.com.

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ADAPTIVE GAMING and WMS are trademarks of WMS Gaming Inc.

STAR TREK: TM & © 2009 CBS Studios Inc. All rights reserved. STAR TREK
and related marks are trademarks of CBS Studios Inc.

TOTAL REWARDS is a trademark of Harrah's License Company, LLC.