Major Shareholding Report and/or Change of Major Shareholding Report were filed by Nomura Securities Co., Ltd., Mizuho Securities Co., Ltd. and BlackRock Japan Co., Ltd.
The details are as follows;

1-1. Nomura Securities Co., Ltd (Major Shareholding Report)

Filer and co-owners	：	Nomura Securities Co., Ltd. (2,859,007 shares）
(Number of OMRON Shares)	：	Nomura International PLC (4,509,766 shares）
	：	Nomura Securities International, Inc. (0 shares)
	：	Nomura Asset Management Co., Ltd.. (14,061,700 shares)
Number of OMRON shares	：	21,430,473 shares (10.02% of total shares outstanding)
Filed date	：	Mar. 25, 2019

1-2. Nomura Securities Co., Ltd (Change of Major Shareholding Report)

Filer and co-owners	：	Nomura Securities Co., Ltd (93,175 shares）.
(Number of OMRON Shares)	：	Nomura International PLC (6,338,815 shares）
	：	Nomura Securities International, Inc. (0 shares)
	：	Nomura Asset Management Co., Ltd.. (13,923,900 shares)
Number of OMRON shares	：	20,355,890 shares (9.51% of total shares outstanding)
Filed date	：	Mar. 28, 2019
Reason of Reporting	：	The conclusion or change in significant agreement regarding more than 1% of shareholding.

2. Mizuho Securities Co., Ltd (Major Shareholding Report)

Filer and co-owners	：	Mizuho Securities Co., Ltd. (4,320,074 shares)
(Number of OMRON Shares)	：	Asset Management One Co., Ltd. (9,341,300 shares)
	：	Mizuho Securities USA LLC (0 shares)
Number of OMRON shares	：	13,661,374 shares (6.39% of total shares outstanding)
Filed date	：	Mar. 25, 2019

3. BlackRock Japan Co., Ltd. (Change of Major Shareholding Report)

Filer and co-owners	：	BlackRock Japan Co., Ltd. (4,515,300 shares)
(Number of OMRON Shares)	：	BlackRock Advisers, LLC (429,928 shares)
	：	BlackRock Financial Management, Inc. (281,800 shares)
	：	BlackRock Investment Management LLC (590,673 shares)
	：	BlackRock Fund Managers Limited (281,154 shares)
	：	BlackRock Life Limited (218,209 shares)
	：	BlackRock Asset Management Ireland Limited (1,312,294 shares)
	：	BlackRock Fund Advisors (2,940,100 shares)
	：	BlackRock International Limited (492,300 shares)
	：	BlackRock Institutional Trust Company, N. A. (3,063,504 shares)
	：	BlackRock Investment Management (UK) Limited (742,421 shares)
Number of OMRON shares	：	14,867,683 shares (6.95% of total shares outstanding)
Filed date	：	Mar. 22, 2019
Reason of Reporting	：	The lending proportion based on consumer loan contract in significant agreement was increased by more than 1%

Filing of Major Shareholding Report and/or Change of Major shareholding Report (Nomura Securities Co., Ltd., Mizuho Securities Co., Ltd., and BlackRock Japan Co., Ltd.)