IDEX (IEX) 8-K Regulation FD Disclosure

Exhibit 99.1

IDEX Corporation Second Quarter 2009 Earnings ReleaseJuly 21, 2009

Agenda Q2 2009 Summary?Q2 2009 Segment Performance?Fluid & Metering?Health & Science?Dispensing Equipment?Fire & Safety / Diversified?2009 Guidance Update?Q&A

Replay Information Dial toll-free: 888.203.1112?International: 719.457.0820?Conference ID: #6940348?Log on to: www.idexcorp.com

Cautionary Statement Under the Private Securities Litigation Reform ActThis presentation and discussion will include forward-looking statements. Our actual performance may differ materially from that indicated or suggested by any such statements. There are a number of factors that could cause those differences, including those presented in our most recent annual report and other company filings with the SEC.

Q2 2009 Financial PerformanceQ2 ’09Q2 ’08Var Orders$ 319 $ 402 (21)%Sales$ 336 $ 397 (15)%Adj. Op Margin*14.9% 18.1% (320)BpAdj. EBITDA*$ 64 $ 85 (25)%Adj. EPS*$ .37 $ .54 (31)%FCF$ 50 $ 60 (17)% *Q2’09 adjusted for $3.Solid Operating Margins and Free Cash Flow

Fluid & Metering

Q2 ‘09Q2 ‘08Change Orders $152.0 $182.7 (17)% Sales $157.0 $177.4 (12)% - -Organic(20)% - -Acquisition11% - -Currency(3)% Operating Margin*15.4% 18.6% (320)bp Op Margin excl acq*17.2% 18.6% (140)Bp*Q2’09 Op Margin excludes restructuring 2009 Outlook 2H’09 vs 1H’09:??Infrastructure spend slow to benefit sales (water/waste water)??Chemical segment will not improve during the 2^ndhalf??Other end markets providing growth opportunitiesContinued economic pressure in the near-term; well positioned in the long term

Health & ScienceQ2 ‘09Q2 ‘08Change Orders $70.3 $88.5 (21)% Sales $73.8 $87.2 (15)% - -Organic(18)% - -Acquisition5% - -Currency(2)% Operating Margin* 15.7% 18.2% (250)bp Op Margin excl acq*14.9% 18.2% (330)Bp*Q2’09 Op Margin excludes restructuring expense 2009 Outlook 2H’09 vs 1H’09:??Core markets have bottomed??Continued economic pressure on non-core businessesHST Core business: Platform for growth

Dispensing Equipment

Q2 ‘09Q2 ‘08 Change Orders $33.3 $50.5 (34)% Sales $45.7 $56.6 (19)% - -Organic(13)% - -Currency(6)% Operating Margin* 21.9% 25.2% (330)bp *Q2’09 Op Margin excludes restructuring expense 2009 Outlook 2H’09 vs 1H’09:??1H09 replenishment order largely completed??Lack of major capital investment from many retail customers??Low VOC chemistry driving new equipment spendContinued 2^ndhalf market softness in North America and Europe

Fire & Safety / Diversified ProductsQ2 ‘09Q2 ‘08 Change Orders $64.2 $81.7 (21)% Sales $62.1 $77.2 (20)% - -Organic(14)% - -Currency(6)% Operating Margin* 22.1% 24.4% (230)bp *Q2’09 Op Margin excludes restructuring expense 2009 Outlook 2H’09 vs 1H’09:??Continued global growth opportunity for rescue tools??Stable end markets for fire suppression??Band clamping continued to be pressured??In total — flat to modest sequential growth expectedGlobal growth in fire suppression and rescue tools; pressure on band clamping

2009 Guidance Summary FY 2009
??EPS estimate range*: $1.35 — $1.45o?Organic growth down ~15%o?Negative Fx impact of ~3% to sales (at current rates)??Acquisitions add 5 6% to sales??Operating margins of 14.0% — 15.0%o?Guidance excludes restructuring -3 cents??Other modeling itemso?Tax rate = 34%??Capex = $23 — $25M
o?Exceed1.2x free cash conversion (to net income) Q3 2009
??EPS estimate range*: $0.33 — $0.37o?Organic growth down ~17%
o?Negative Fx impact of ~2% to sales (at current rates)??Acquisitions add 6 7% to sales *Excludes restructuring; full year also excludes Q109 accounting charge

Q&A