Diane Duren

Currently holds a position at U.S. Silica Holdings Inc

1.4

1.4

Position	Company	Period
Independent Director	U.S. Silica Holdings Inc	Aug. 17, 2017 -
Senior Vice President, Corporate Secretary	Union Pacific Corp	Nov. 17, 2016 - Feb. 28, 2017
Executive Vice President and Corporate Secretary of UPC and the Railroad	Union Pacific Corp	March 1, 2013 - Nov. 17, 2016
Executive Vice President of UPC and the Railroad	Union Pacific Corp	Oct. 1, 2012 - March 1, 2013

• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings

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U.S. Silica Holdings Inc (SLCA)

Transaction date 16 Dec 2022

Sale

Price

192.86

Quantity 41,355 +38.7%

Value US$696,012

Union Pacific Corp (UNP)

Transaction date 18 Nov 2016

Planned sale

Price

199.52

Quantity 86,499 +19.1%

Value US$3,781,754

Comments Filing

Notification date	Transaction date	Company	B/S Transaction type	Nb. shares Price Value	Number of shares	Price	Value	Details
2022-12-19	2022-12-16	U.S. Silica Holdings Inc (SLCA)	S Sale	41,355 +38.7% 192.86 US$696,012	41,355 +38.7%	192.86	US$696,012
2016-11-21	2016-11-18	Union Pacific Corp (UNP)	PlS Planned sale	86,499 +19.1% 199.52 US$3,781,754	86,499 +19.1%	199.52	US$3,781,754