PORTLAND, Oregon – July 18, 2006 – Mark Donegan, chairman and chief executive officer of Precision Castparts Corp. (NYSE:PCP), will host a conference call to discuss the Q1 Fiscal 2007 earnings on July 25, 2006, at 7:00 a.m. Pacific Daylight Time.  The dial-in information for audio access is 888-202-2422 or 913-981-5592, passcode 4271208. Individuals interested in monitoring the webcast* should paste the following address into their browser for access to the live conference link: https://www.livemeeting.com/cc/vcc/join?
id=w4271208&role=attend&pw=A427120

Dial *0 for technical assistance with dial-in or webcast access.

In order to assure the conference begins in a timely manner, please dial in five to ten minutes prior to the scheduled start time.  The webcast can also be accessed through Precision Castparts Corp.'s corporate website: http://www.precast.com/PCC/CorpPres.html

* Prior to the event, please test your browser for compatibility using the following URL: http://www.livemeeting.com/cc/vcsales/join?
id=GPMN4J&role=attend&pw=XHGS8K

Precision Castparts Corp. is a worldwide, diversified manufacturer of complex metal components and products.  It serves the aerospace, power generation, automotive, and general industrial and other markets.  PCC is the market leader in manufacturing large, complex structural investment castings, airfoil castings, and forged components used in jet aircraft engines and industrial gas turbines.  The Company is also a leading producer of highly engineered, critical fasteners for aerospace, automotive, and other markets.

Information included within this press release describing projected growth and future results and events constitutes forward-looking statements, within the meaning of the Private Securities Litigation Reform Act of 1995.  Actual results in future periods may differ materially from the forward-looking statements because of a number of risks and uncertainties, including but not limited to fluctuations in the aerospace, power generation, automotive, and other general industrial cycles; the relative success of the Company’s entry into new markets; competitive pricing; the financial viability of the Company’s significant customers; the availability and cost of energy, materials, supplies, insurance, and pension benefits; equipment failures; relations with the Company’s employees; the Company’s ability to manage its operating costs and to integrate acquired businesses in an effective manner; governmental regulations and environmental matters; risks associated with international operations and world economies; the relative stability of certain foreign currencies; and implementation of new technologies and process improvement.  Any forward-looking statements should be considered in light of these factors.  The Company undertakes no obligation to publicly release any forward-looking information to reflect anticipated or unanticipated events or circumstances after the date of this document.