MIDDLEFIELD, CT–(EMWNews – July 31, 2008) – Zygo Corporation (NASDAQ: ZIGO): ZYGO’s

fiscal 2008 fourth-quarter financial results will be distributed at 4 p.m.

Eastern Time on Thursday, August 14, 2008. A conference call reviewing

these results has been scheduled for 6 p.m. Eastern Time that same evening.

The dial-in number for this call is 800-768-8804. The call will be webcast

at www.zygo.com for 30 days following the call.

Zygo Corporation is a worldwide supplier of optical metrology instruments,

precision optics, and electro-optical design and manufacturing services,

serving customers in the semiconductor capital equipment and industrial

markets.

All statements other than statements of historical fact included in this

news release regarding our financial position, business strategy, plans,

anticipated sales, orders, market acceptance, growth rates, market

opportunities, and objectives of management of the Company for future

operations are forward-looking statements. Forward-looking statements are

intended to provide management’s current expectations or plans for the

future operating and financial performance of the Company based upon

information currently available and assumptions currently believed to be

valid. Forward-looking statements can be identified by the use of words

such as “anticipate,” “believe,” “estimate,” “expect,” “intend,” “plans,”

“strategy,” “project,” and other words of similar meaning in connection

with a discussion of future operating or financial performance. Actual

results could differ materially from those contemplated by the

forward-looking statements as a result of certain factors. Among the

important factors that could cause actual events to differ materially from

those in the forward-looking statements are fluctuations in capital

spending of our customers, fluctuations in net sales to our major customer,

manufacturing and supplier risks, dependence on timing and market

acceptance of new product development, rapid technological and market

change, risks in international operations, dependence on proprietary

technology and key personnel, length of the sales cycle, environmental

regulations, investment portfolio returns, and fluctuations in our stock

price. Zygo Corporation undertakes no obligation to publicly update or

revise forward-looking statements to reflect events or circumstances after

the date of this news release. Further information on potential factors

that could affect Zygo Corporation’s business is described in our reports

on file with the Securities and Exchange Commission, including our Form

10-K for the fiscal year ended June 30, 2007.