For general corporate information, investor relations, and human resources information:

II-VI INCORPORATED
375 Saxonburg Blvd.
Saxonburg, PA 16056-9499
724-352-4455 (phone)
724-352-5284 (fax)
info@ii-vi.com

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For information on CO2 laser optics and accessories, zinc selenide optics (ZnSe), zinc sulfide optics (ZnS), and other infrared optics, contact:

II-VI INFRARED
375 Saxonburg Blvd.
Saxonburg, PA 16056-9499
888-558-1504 (toll-free sales in the USA)
724-352-1504 (phone)
724-352-4980 (fax)
info@iiviinfrared.com
www.iiviinfrared.com

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For information on laser tools for materials processing, contact:

HIGHYAG
Ruhlsdorfer Strasse 95
Gebäude 81
14532 Stahnsdorf
Germany
+49 3329 60 32 0 (phone)
+49 3329 60 32 22 (fax)
info@highyag.de
www.highyag.de

For information on near-IR optics, yttrium-aluminum garnet (YAG), and telecommunications components, contact:

VLOC
7826 Photonics Drive
New Port Richey, FL 34655
727-375-8562 (phone)
727-375-5300 (fax)
info@vloc.com
www.vloc.com

For information on fiber optics, precision optics, projection and display optics, DPSS laser, crystal materials, and other photonics products, contact:

Photop
253 Fuxin East Road
Fuzhou, Fujian 350014, China
+86-591-8805-2800 (phone)
+86-591-8361-0136 (fax)
contact@photoptech.com
www.photoptech.com

For information on specialized military and aerospace optics, including germanium windows, contact:

Exotic Electro-Optics
36570 Briggs Road
Murrieta, CA 92563-2347
951-926-2994 (phone)
951-926-1984 (fax)
sales@exotic-eo.com
www.exotic-eo.com

For information on tellurium and selenium products, contact:

PRM
Cavite Plant: Cavite Economic Zone Authority
Lot 6, Blk 1, Phase II Rosario, Cavite Philippines 4106
+63 2 784 4000 (phone)
+63 2 784 4005, +63 46 437 2524 (fax)
sales@prm.ii-vi.com
www.prsmetals.com

For information on thermoelectric coolers (TECs), as well as other thermoelectric solutions, contact:

Marlow Industries, Inc.
10451 Vista Park Road
Dallas, Texas  75238
214-340-4900 (phone)
214-341-5212 (fax)
contact Marlow
www.marlow.com

For information on silicon carbide (SiC) materials development and high voltage/high power applications, contact:

II-VI WBG
20 Chapin Road, Suite 1005
PO Box 840
Pine Brook, NJ 07058
973-227-1551 (phone)
973-227-8658 (fax)
SiC@ii-vi.com
www.iiviwbg.com

For information on advanced materials development, process development, and technology transfer:

II-VI AMDC
375 Saxonburg Blvd.
Saxonburg, PA 16056
724-352-5206 (phone)
724-352-0641 (fax)
info@iiviamdc.com
www.iiviamdc.com

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© 2006 II-VI INCORPORATED