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July 14, 2008

Entegris to Acquire

Poco

Graphite

Creating a Material Difference

Exhibit 99.2

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Safe Harbor Statement

This presentation contains certain information that may constitute forward-looking statements within the

meaning

of

the

Private

Securities

Litigation

Reform

Act

of

1995.

These

forward-looking

statements

are

based on current management expectations only as of the date of this presentation, which involve

substantial risks and uncertainties that could cause actual results to differ materially from the results

expressed in, or implied by, these forward-looking statements.  Statements which are modified by

words

such

as

“anticipate,”

“believe,”

“estimate,”

“expect,”

“forecast,”

“may,”

“will,”

“should”

or

the

negative thereof and similar expressions as they relate to Entegris or our management are intended to

identify such forward-looking statements.  These statements are not guarantees of future performance

and involve risks, uncertainties and assumptions which are difficult to predict.  These risks include, but

are

not

limited

to,

fluctuations

in

the

market

price

of

Entegris’

stock,

future

operating

results

of

Entegris,

other acquisition and investment opportunities available to Entegris, general business and market

conditions

and

other

factors.

Additional

information

concerning

these

and

other

risk

factors

may

be

found

in

previous

financial

press

releases

issued

by

Entegris

and

Entegris’

periodic

public

filings

with

the

Securities

and

Exchange

Commission,

including

the

discussion

described

under

the

headings

“Risks

Relating

to

our

Business

and

Industry,”

“Manufacturing

Risks,”

“International

Risks,”

and

“Risks

Related

to

Securities

Markets

and

Ownership

of

Our

Securities”

in

Item

1A

of

our

Annual

Report

on

Form 10–K for the fiscal year ended December 31, 2007, as well as other matters and important factors

disclosed previously and from time to time in the filings of Entegris with the U.S. Securities and

Exchange Commission.  Except as required under the federal securities laws and the rules and

regulations of the Securities and Exchange Commission, we undertake no obligation to update publicly

any forward-looking statements contained herein.

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Entegris To Acquire Poco

Graphite

POCO is an established, growing, profitable business

Adds another consumable product line to our mix

Builds on our materials science capabilities

–

Technology synergies to further differentiate Entegris’

products

Adds to our base of business in the semiconductor

market, while adding growth vectors in new markets

Fits with our mission and strategy

Accretive to EPS in 2009

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The Entegris Mission

Our mission is to improve our customers'

productivity, performance and technology

through innovative materials-science-

enabled solutions

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Entegris’

Growth Driven By Core Materials

Expertise

Example:

Entegris provides advanced filtration systems for purifying

litho bay to control airborne low molecular weight silicon and

condensable organics (siloxanes) which cause contamination on the

scanner lens. 

Example:

Entegris’

Clarilite

Certified solution offers a way to reduce

the formation of haze on the reticle, thus extending reticle

life

increasing mean time between cleans

Example:

Entegris’

next-generation liquid filter provides the high

retention needed for sub-45 nanometer processes without sacrificing

high flow and throughput

Example:

Entegris is at the forefront of developing the next generation

of wafer handling products to support 450mm and 300mm Prime

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Entegris’

Strategic Vision

Principally serves

semiconductor market

Primary materials science

expertise in polymers

Products:

–

Microenvironments

–

Filters, purifiers, systems

–

Fluid handling

components

–

Coatings

Markets include semi,

healthcare, aerospace….

Materials science expertise

in polymers, ceramics

Products:

–

Microenvironments

–

Filters, purifiers, systems

–

Fluid handling

components

–

Coatings

–

Additional products

Today

Future

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About Poco

Graphite

Key provider of specialty graphite materials and silicon

carbide

Growing, profitable business

–

14% annual revenue growth since 2002

–

Annualized sales of approximately $65 million

Diverse markets include semiconductor, EDM, medical,

aerospace, and specialty industrial

–

Market leader for graphite components in plasma etch, ion

implant, and CVD in semiconductor applications

Privately held, formed in 1965

–

Was a unit of UNOCAL until 2000

Based in Decatur, Texas

–

Approximately 350 employees

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Expands Presence in Semiconductor Market

and Provides Path to Diversification

40% of POCO’s

sales are to

semiconductor customers

–

Key relationships with

OEMs

30% of sales to EDM market

30% of sales to broad range

of specialty industrial and

other markets:

–

Glass bottling

–

Medical

–

Aerospace

POCO Sales by Market

POCO’s

markets in aggregate are growing between 7% to 10% annually

EDM

Specialty

Industrial

Semiconductor

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The Transaction

All-cash deal valued at $158 million

–

2.4x Sales

–

9x EBITDA

Expected to be accretive to 2009 EPS

Financed with cash on hand and borrowings on Entegris’

credit facility

Completion subject to HSR review and customary closing

conditions

–

Closing expected in 3Q08

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