Changes 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. Nomura Securities Co., Ltd.

Filer and co-owners (Number of OMRON shares)	：	Nomura Securities Co., Ltd. (83,183 shares）
	：	Nomura International PLC (1,956,882 shares）
	：	Nomura Asset Management Co., Ltd. (15,430,100 shares)
Number of OMRON shares	：	17,470,165 shares (8.17% of total shares outstanding)
Filed date	：	Apr. 05, 2019
Reason of Reporting	：	- More than 1% decrease in the total shareholding.
	：	- The conclusion or change in significant agreement regarding more than 1% of shareholding.

2. Mizuho Securities Co., Ltd.

Filer and co-owners (Number of OMRON Shares)	：	Mizuho Securities Co., Ltd. (867,000 shares)
	：	Asset Management One Co., Ltd. (9,282,200 shares)
Number of OMRON shares	：	10,149,200 shares (4.74% of total shares outstanding)
Filed date	：	Apr. 05, 2019
Reason of Reporting	：	- More than 1% decrease in the total shareholding.
	：	- More than 1% decrease in shareholding by one of the filer and co-owners.
	：	- Decrease in the number of co-owners.

3. BlackRock Japan Co., Ltd.

Filer and co-owners (Number of OMRON Shares)	：	BlackRock Japan Co., Ltd. (4,463,600 shares)
	：	BlackRock Advisers, LLC (425,528 shares)
	：	BlackRock Financial Management, Inc. (276,700 shares)
	：	BlackRock Investment Management LLC (540,322 shares)
	：	BlackRock Fund Managers Limited (281,154 shares)
	：	BlackRock Asset Management Ireland Limited (1,335,794 shares)
	：	BlackRock Fund Advisors (2,896,000 shares)
	：	BlackRock International Limited (491,500 shares)
	：	BlackRock Institutional Trust Company, N.A. (3,064,304 shares)
	：	BlackRock Investment Management (UK) Limited (801,821 shares)
Number of OMRON shares	：	14,576,723 shares (6.81% of total shares outstanding)
Filed date	：	Apr. 04, 2019
Reason of Reporting	：	- More than 1% decrease in the overall lending proportion of loan agreements in significant agreements.
	：	- More than 1% decrease in the lending proportion of a loan agreement in a significant agreement.

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