STMicroelectronics

Transaction in Own Shares • Jul 27, 2017

PR N°. C2828C

STMicroelectronics Announces Status of Common Share Repurchase Program

Amsterdam – July 27, 2017 – STMicroelectronics N.V. (the "Company" or "STMicroelectronics") announces today the interim status of its common share repurchase program announced on June 22, 2017 for up to 19 million shares for an amount up to US\$ 297 million.

The Company announces that it has repurchased on the Mercato Telematico Azionario and other venues, in the period between June 30, 2017 and July 21, 2017, 11,295,799 Company ordinary shares (equal to 1.2% of the Company's share capital) at the weighted average purchase price of EUR 13.3892 per share for an overall purchase price of EUR 151,241,358.

Below is a summary of the repurchase transactions made in the course of the above mentioned period in aggregate and detailed form.

Dates of transaction	Number of shares purchased	Total amount paid (EUR)	Weighted average purchase price per share (EUR)	Percentage of program completed	Identification code of shares purchased (ISIN)	Period average total volume on all venues (in number of shares)	Market on which the shares were bought (MIC code)
June 30 – July 7	4,634,884	59,174,925	12.7673	24%	NL0000226223	56,692,768	MTA, Turquoise, ChiX, Bats europe
July 10 – July 14	3,515,651	48,010,731	13.6563	43%	NL0000226223	50,521,814	MTA, Turquoise, ChiX, Bats europe
July 17 – July 21	3,145,264	44,055,703	14.0070	59%	NL0000226223	49,641,944	MTA, Turquoise, ChiX, Bats europe

Aggregate Transactions

Detailed Transactions

Date of transaction	Number of shares purchased	Identification code of shares purchased (ISIN)	Total amount paid (EUR)	Currency	Name of the Investment Service Provider ("ISP")	Weighted average of last 20 days Volumes on all venues (in shares)	% of last 20 days Volumes on all venues
6/30/2017	804,886	NL0000226223	10,181,566	EUR	Société Générale	10,386,507	8%
7/3/2017	819,276	NL0000226223	10,422,256	EUR	Société Générale	10,602,850	8%
7/4/2017	835,557	NL0000226223	10,495,766	EUR	Société Générale	10,830,377	8%
7/5/2017	466,035	NL0000226223	5,875,909	EUR	Société Générale	10,899,202	4%
7/6/2017	844,970	NL0000226223	10,904,338	EUR	Société Générale	10,995,232	8%
7/7/2017	864,160	NL0000226223	11,295,090	EUR	Société Générale	11,243,610	8%
7/10/2017	862,289	NL0000226223	11,506,299	EUR	Société Générale	11,286,273	8%
7/11/2017	803,505	NL0000226223	10,908,866	EUR	Société Générale	10,563,592	8%
7/12/2017	225,882	NL0000226223	3,073,486	EUR	Société Générale	10,700,058	2%
7/13/2017	813,505	NL0000226223	11,321,061	EUR	Société Générale	10,777,135	8%
7/14/2017	810,470	NL0000226223	11,201,020	EUR	Société Générale	10,766,931	8%
7/17/2017	765,530	NL0000226223	10,714,664	EUR	Société Générale	10,342,665	7%
7/18/2017	774,650	NL0000226223	10,643,614	EUR	Société Générale	10,505,631	7%
7/19/2017	74,430	NL0000226223	1,033,453	EUR	Société Générale	10,534,775	1%
7/20/2017	777,334	NL0000226223	11,036,510	EUR	Société Générale	10,646,561	7%
7/21/2017	753,320	NL0000226223	10,627,462	EUR	Société Générale	10,304,664	7%

Following the share buybacks detailed above the Company holds in total 32,787,296 treasury shares, which represents approximately 3.6% of the Company's issued share capital.

The Company will continue, until completion of its announced share buyback program, to repurchase up to 19 million shares for an amount up to US\$ 297 million.

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 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