II-VI Incorporated to Webcast FY 2013 Third Quarter Earnings Conference Call

II-VI Incorporated to Webcast FY 2013 Third Quarter Earnings Conference Call

PITTSBURGH, April 16, 2013 (GLOBE NEWSWIRE) -- II-VI Incorporated
(Nasdaq:IIVI) today announced that it intends to release its fiscal 2013 third
quarter results for the period ended March 31, 2013 on Tuesday, April 23, 2013
before the market opens and will post these results on the Company's web site
at www.ii-vi.com.

In conjunction with this release and to review the Company's financial
results, market trends and future outlook, the Company will host a conference
call that will be broadcast live over the Internet that same day.

Individuals wishing to participate in the webcast, to be held at 9:00 a.m.
Eastern Time on Tuesday, April 23, 2013, can access the event at the Company's
web site by visiting www.ii-vi.com or via http://tinyurl.com/cjzg3e5. An
online archive of the broadcast will be available within four hours of the
live call, will remain available for two weeks and can be accessed through the
Company's website.

About II-VI Incorporated:

II-VI Incorporated, a global leader in engineered materials and optoelectronic
components, is a vertically-integrated manufacturing company that creates and
markets products for diversified markets including industrial manufacturing,
military and aerospace, high-power electronics and telecommunications, and
thermoelectronics applications. Headquartered in Saxonburg, Pennsylvania, with
manufacturing, sales, and distribution facilities worldwide, the Company
produces numerous crystalline compounds including zinc selenide for infrared
laser optics, silicon carbide for high-power electronic and microwave
applications, and bismuth telluride for thermoelectric coolers.

In the Company's infrared optics business, II-VI Infrared manufactures optical
and opto-electronic components for industrial laser and thermal imaging
systems and HIGHYAG Lasertechnologie GmbH (HIGHYAG) manufactures
fiber-delivered beam delivery systems and processing tools for industrial
lasers.

In the Company's near-infrared optics business, Photop Technologies, Inc.
(Photop) manufactures crystal materials, optics, microchip lasers and
opto-electronic modules for use in optical communication networks and other
diverse consumer and commercial applications. Photop Aegis, Inc. (Aegis)
manufactures tunable optical devices required for high speed optical networks
that provide the bandwidth expansion necessary for increasing internet
traffic. Through its Australian subsidiary, Photop AOFR Pty Limited, Aegis
also manufactures fused fiber components, including those required for fiber
lasers for material processing applications, as well optical couplers used
primarily in the telecommunication industry.

In the Company's military & materials business, Exotic Electro-Optics (EEO)
manufactures infrared products for military applications, Pacific Rare
Specialty Metals & Chemicals (PRM) produces and refines selenium and tellurium
materials and Max Levy Autograph, Inc. (MLA) manufactures micro-fine
conductive mesh patterns for optical, mechanical and ceramic components for
applications such as circuitry, metrology standards, targeting calibration and
suppression of electro-magnetic interference. VLOC manufactures near-infrared
and visible light products for military applications and laser gain materials
and products for solid-state YAG and YLF lasers. LightWorks Optics, Inc.
(LightWorks) manufactures precision optical systems and components for
defense, aerospace, industrial and life science applications.

In the Company's advanced products group, the Wide Bandgap Materials (WBG)
group manufactures and markets single crystal silicon carbide substrates for
use in the solid-state lighting, wireless infrastructure, RF electronics and
power switching industries; Marlow Industries, Inc. (Marlow) designs and
manufactures thermoelectric cooling and power generation solutions for use in
defense, space, photonics, telecommunications, medical, consumer and
industrial markets; and the Worldwide Materials Group (WMG) provides expertise
in materials development, process development and manufacturing scale up. M
Cubed Technologies, Inc. (M Cubed) develops and markets advanced composite
materials serving the semiconductor, display, industrial and defense markets.

This press release contains forward-looking statements based on certain
assumptions and contingencies that involve risks and uncertainties. The
forward-looking statements are made pursuant to the safe harbor provisions of
the Private Securities Litigation Reform Act of 1995 and relate to the
Company's performance on a going-forward basis.

The forward-looking statements in this press release involve risks and
uncertainties, which could cause actual results, performance or trends to
differ materially from those expressed in the forward-looking statements
herein or in previous disclosures. The Company believes that all
forward-looking statements made by it have a reasonable basis, but there can
be no assurance that management's expectations, beliefs or projections as
expressed in the forward-looking statements will actually occur or prove to be
correct. In addition to general industry and global economic conditions,
factors that could cause actual results to differ materially from those
discussed in the forward-looking statements in this press release include, but
are not limited to: (i) the failure of any one or more of the assumptions
stated above to prove to be correct; (ii) the risks relating to
forward-looking statements and other "Risk Factors" discussed in the Company's
Annual Report on Form 10-K for the fiscal year ended June 30, 2012; (iii) the
purchasing patterns from customers and end-users; (iv)the timely release of
new products, and acceptance of such new products by the market; (v)the
introduction of new products by competitors and other competitive responses;
and/or (vi)the Company's ability to devise and execute strategies to respond
to market conditions. The Company disclaims any obligation to update
information contained in these forward-looking statements whether as a result
of new information, future events or developments, or otherwise.

CONTACT: II-VI Incorporated
         Craig A. Creaturo, Chief Financial Officer and Treasurer
         (724) 352-4455
         ccreaturo@ii-vi.com