SAINT_GOBAIN_REGISTRATION_DOCUMENT_2017

Financial and accounting information Compagnie de Saint-Gobain 2017 annual financial statements (parent company)

The following table presents changes in the number of outstanding options:

€4 par value shares

Average exercise price (in €)

OPTIONS OUTSTANDING AT DECEMBERb31, 2015

11,601,857 280,000 (450,082) (4,509,448) 6,922,327 284,500 (689,997) (3,501,207) 3,015,623

48.69 40.43 27.50 51.40 47.97 49.38 28.39 63.99

Options granted Options exercised Options forfeited Options granted Options exercised Options forfeited*

OPTIONS OUTSTANDING AT DECEMBER 31, 2016

OPTIONS OUTSTANDING AT DECEMBERb31, 2017 33.97 Including 3,403,160 subscription options granted under the 2007 plan that had not been exercised when the plan expired, and 98,047 purchase options granted under the 2013 plan that had (*) lapsed because the performance condition had only been partly met.

The table below summarizes information about stock options outstanding at December 31, 2017, after taking into account partial fulfillment of the performance criteria attached to certain plans:

Exercisable options

Non-exercisable options

Total options outstanding

Weighted average contractual life (in months)

Exercise price (in €)

Number of options

Number of options 1,185,015

Type of options

Grant date 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017

Exercise price (in €)

Number of options 1,185,015

25.88 36.34 35.19 31.22 27.71 38.80

11 23 35 47 59 71 83 95

Subscription Subscription Subscription Subscription Subscription

654,514

654,514

0 0

0 0

19,962 132,132

19,962 132,132 234,550 224,950 280,000 284,500

Purchase

34.13 39.47 40.43 49.38

234,550 224,950 280,000 284,500

See 10.4 above See 10.4 above See 10.4 above See 10.4 above

107 119

TOTAL

1,991,623

1,024,000

3,015,623

At December 31, 2017, 1,991,623 stock options were exercisable at an average exercise price of €30.19, and 1,024,000 options at an average exercise price of €41.26 had not yet vested. Performance share plans 10.5 Various performance share plans have been set up by Saint-Gobain since 2009. Number of rights NUMBER OF PERFORMANCE SHARE RIGHTS AT DECEMBERb31, 2015 2,351,881

performance share rights granted „ in Novemberɸ2016

Four performance share plans were outstanding at December 31, 2017. The plans approved by the Board of Directors in 2014 and 2015 solely concern certain managerial-grade employees and senior managers of the Group outside France. The plans approved by the Board of Directors in 2016 and on November 23, 2017 concern managerial-grade employees and senior managers of the Group within and outside France. All plans are subject to service and performance conditions. The vesting period is 4 years for all plans, and the shares will be delivered the day after the end of this vesting period. The table below shows changes in the number of performance share rights:

1,231,320 (583,220) (196,856)

shares issued/delivered „ lapsed and canceled rights „

9

NUMBER OF PERFORMANCE SHARE RIGHTS AT DECEMBERb31, 2016

2,803,125

performance share rights granted „ in Novemberɸ2017 shares issued/delivered „ lapsed and canceled rights* „

1,226,680 (458,795) (83,570)

NUMBER OF PERFORMANCE SHARE RIGHTS AT DECEMBERb31, 2017 3,487,440 Including 457,535 existing shares delivered under the 2013 plan, and 1,260 shares * delivered in advance under the 2014, 2015 and 2016 plans.

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