Etrion Signs 10 MW Agreement with Yingli Green Energy for Solar PV Modules

Etrion Signs 10 MW Agreement with Yingli Green Energy for Solar PV
Modules

June 16, 2011, Geneva, Switzerland - Etrion Corporation (“Etrion” or the
“Company”) (TSX: ETX) (OMX: ETX), an independent solar power producer,
today announced an agreement whereby Yingli Green Energy Holding Company
Limited (“Yingli Green Energy”) (NYSE: YGE), one of the world's largest
vertically integrated photovoltaic manufacturers, will supply PV modules
for Etrion's 10 MW Helios ITA-3 solar project under construction in
Puglia, Italy.

Marco Northland, Etrion's CEO, commented, “We are pleased to contract
Yingli directly to supply modules for our 10 MW project in Puglia. We
look forward to expanding our relationship and gaining economies of
scale for future projects through this strategic partnership.”

Mr. Liansheng Miao, Chairman and CEO of Yingli Green Energy, commented,
“We welcome our new partnership with Etrion. Our companies are bringing
green jobs and clean electricity to Italy, and we are both committed to
lowering power costs for the end user.”

The Helios ITA-3 project includes two 5 MW ground-mounted solar PV parks
under construction, Brindisi and Mesagne, in the Puglia region of Italy.

Etrion has engaged ABB to complete the solar parks using Yingli
poly-crystalline PV modules installed on SunPower trackers with power
conversion completed through Bonfiglioli inverters. Construction of the
solar project is expected to be completed by August 31, 2011.

About Yingli Green Energy

Yingli Green Energy Holding Company Limited (NYSE: YGE), which markets
its products under the brand “Yingli Solar,” is a leading solar energy
company and one of the world's largest vertically integrated
photovoltaic manufacturers. Yingli Green Energy's manufacturing covers
the entire photovoltaic value chain, from the production of polysilicon
through ingot casting and wafering, to solar cell production and module
assembly. Yingli Green Energy is publicly listed on the New York Stock
Exchange (NYSE: YGE). For more information, please visit
www.yinglisolar.com (http://www.yinglisolar.com/).

About Etrion

Etrion Corporation develops, builds, owns and operates solar power
plants. Etrion currently owns 47 megawatts (MW) of operational,
ground-based solar photovoltaic (PV) power plants in Italy. The Company
is listed on the Toronto Stock Exchange and the NASDAQ OMX Stockholm
exchange (ticker symbol “ETX”). Etrion's largest shareholder is the
Lundin family, which owns approximately 27% of the Company's shares
through various trusts.

For additional information, please visit the Company's website at
www.etrion.com (http://www.etrion.com/) or contact:

Garrett Soden - Chief Financial Officer
Telephone: +41 (22) 715 20 90

Forward-Looking Information:

This press release contains certain “forward-looking information”. All
statements, other than statements of historical fact, that address
activities, events or developments that the Company believes, expects or
anticipates will or may occur in the future (including, without
limitation, statements relating to the expected date of completion of
the Helios ITA-3 solar project) constitute forward-looking information.
This forward-looking information reflects the current expectations or
beliefs of the Company based on information currently available to the
Company as well as certain assumptions including, without limitation,
assumptions as to the ability of Yingli Green Energy to supply the
required PV modules in a timely manner. Forward-looking information is
subject to a number of significant risks and uncertainties and other
factors that may cause the actual results of the Company to differ
materially from those discussed in the forward-looking information, and
even if such actual results are realized or substantially realized,
there can be no assurance that they will have the expected consequences
to, or effects on the Company. Factors that could cause actual results
or events to differ materially from current expectations include, but
are not limited to, unexpected construction or supply-chain delays
affecting the completion of the Helios ITA-3 solar project by August 31,
2011.

Any forward-looking information speaks only as of the date on which it
is made and, except as may be required by applicable securities laws,
the Company disclaims any intent or obligation to update any
forward-looking information, whether as a result of new information,
future events or results or otherwise. Although the Company believes
that the assumptions inherent in the forward-looking information are
reasonable, forward-looking information is not a guarantee of future
performance and accordingly undue reliance should not be put on such
information due to the inherent uncertainty therein.