RIBER : Monthly declaration of the total number of shares and voting rights comprising the share capital - December 31, 2012

Bezons, France, January 14th, 2013 ; 5.45 PM

MONTHLY DECLARATION OF THE TOTAL NUMBER OF SHARES AND VOTING RIGHTS COMPRISING THE SHARE CAPITAL

Prepared pursuant to Article 223-16 of the general regulation of the Autorité des Marchés Financiers

Date	Total number of shares comprising the share capital	Total number of voting rights
December 31st, 2012	19.320.931	Gross total of voting rights: 19.320.931
December 31st, 2012	19.320.931	Net total of voting rights*: 18.918.693

* Net total: total number of voting rights attached to the total number of shares net of shares with no voting rights (treasury shares, etc…)

About RIBER:

Riber designs and produces molecular beam epitaxy (MBE) systems as well as evaporation sources and cells for the semiconducto r
industry. This high-technology equipment is essential for the manufacturing of compound semiconductor materials and new materials that are used in numerous consumer applications, such as new information technologies, OLED flat screens and new generation solar cells.
Riber recorded €29 million in revenues in 2011 and employs 105 people.
Riber is listed on NYSE-Euronext Paris, Compartment "C", and is part of the CAC Small, CAC Mid & Small, CAC Technology and
CAC T. HARD. & EQ indices.
ISIN: FR0000075954 Reuters code: RIBE.PA Bloomberg code: RIB: FP
In 2012, Riber is one of the best-rated companies in the Gaïa-index, the leading SRI index for French mid-caps.
Riber has been innovation certified by OSEO, the dedicated French innovation agency, enabling it to qualify for French i nnovation

mutual funds (FCPI).

RIBER

Olivier Handschumacher
tel: [phone] [e-mail]

CALYPTUS

Cyril Combe
tel: [phone] [e-mail]
www.riber.com