CONSHOHOCKEN, Pa., April 12 /PRNewswire-FirstCall/ -- Quaker Chemical
Corporation (NYSE: KWR) today announced the following schedule and contact
information for its first quarter 2004 earnings release and investor
conference:

     Earnings Release:   April 29, 2004 (after market close)
                         Visit Quaker Web site at www.quakerchem.com

     Teleconference:     April 30, 2004
                         2:30 p.m. (EDT)
                         Participate live via telephone or listen to live
                         audio
                         Webcast through Quaker's Web site at
                         www.quakerchem.com

     Dial-in Number:     800-922-0755
                         Please call 5-10 minutes prior to the scheduled
                         start of call.  No password required.

     If unable to participate live, select from one of the following replay
     options:

     Phone Replay:       Available through Tuesday, May 4, 2004.
                         Call 877-519-4471; Reservation No. 4672520.

     Archived Webcast:   Visit Quaker's Web site at www.quakerchem.com

Quaker Chemical Corporation, headquartered in Conshohocken, Pennsylvania, is a worldwide developer, producer, and marketer of custom-formulated chemical specialty products and a provider of chemical management services for manufacturers around the globe, primarily in the steel and automotive industries.

SOURCE  Quaker Chemical Corporation
    -0-                             04/12/2004
    /CONTACT:  Michael F. Barry, Vice President and Chief Financial Officer,
Quaker Chemical Corporation, +1-610-832-8500/
    /Web site:  http://www.quakerchem.com /
    (KWR)

CO:  Quaker Chemical Corporation
ST:  Pennsylvania
IN:  CHM
SU:  CCA MAV

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9403 04/12/2004 10:20 EDT http://www.prnewswire.com