STMicroelectronics Enters the CAC40 Paris Stock Index

Geneva, September 8, 2017 - The Euronext Scientific Board on Indices announced on September 7, 2017 its decision to include STMicroelectronics ("ST") in the CAC 40 index, the primary index of the Paris stock exchange, where the Company is listed. This decision will take effect after the closing of the Paris Stock Exchange on September 15, 2017.

Carlo Ferro, Chief Financial Officer and President, Finance, Legal, Infrastructure and Services of ST, declared, "ST's fundamentals have markedly improved after a deep transformation over the recent years, with accelerated growth in 2017 and a sustainable expansion of profit and return on investment. The inclusion of ST in the CAC40 index reflects the positive evolution of ST's stock with regard to market capitalization and trading volumes on the Paris Stock Exchange, as a consequence of the strength and sustainability of the equity story."

About STMicroelectronics

ST is a global semiconductor leader delivering intelligent and energy-efficient products and solutions that power the electronics at the heart of everyday life. ST's products are found everywhere today, and together with our customers, we are enabling smarter driving and smarter factories, cities and homes, along with the next generation of mobile and Internet of Things devices.

By getting more from technology to get more from life, ST stands for life.augmented.

In 2016, the Company's net revenues were $6.97 billion, serving more than 100,000 customers worldwide.

Further information can be found at www.st.com.

For further information, please contact:

INVESTOR RELATIONS:

Tait Sorensen
Group VP, Investor Relations
STMicroelectronics
Tel: +1 602 485 2064
tait.sorensen@st.com

MEDIA RELATIONS:

Alexis Breton
Director, PR & Media Operations
STMicroelectronics
Tel: + 33 6 59 16 79 08
alexis.breton@st.com

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