13D Filing: Caledonia Investments PLC Buys More Shares of Struggling Bristow Group Inc (BRS) After They Hit 10-Year Low

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Schedule 13D

(Amendment No. 1)

Under the Securities Exchange Act of 1934

EXPLANATORY NOTE

This Amendment
No. 1 to Schedule 13D (Amendment No. 1) is being filed with respect to the beneficial ownership of the Reporting Persons in Bristow Group Inc. (the Issuer). This Amendment No. 1 supplements the Schedule 13D as
previously filed on November 12, 2015 (as amended, the Schedule 13D). Each Item below amends and supplements the information disclosed under the corresponding Item of Schedule 13D. Unless otherwise indicated herein, capitalized
terms used but not defined in this Amendment No. 1 shall have the same meaning herein as are ascribed to such terms in Schedule 13D. Except as set forth herein, this Amendment No. 1 does not modify any of the information previously
reported by the Reporting Persons in the Schedule 13D.

Item 3. Source and Amount of Funds or Other Consideration

Caledonia has made the following recent open market purchases of shares of Common Stock of the Issuer.

Date of purchase		No of shares				Consideration (USD)
November 17, 2015			47,268			1,403,287 ($29.69 per share)
December 07, 2015			110,533			2,847,330 ($25.76 per share)
February 12, 2016			220,000			2,816,000 ($12.80 per share)
February 16, 2016			200,000			2,793,320 ($13.97 per share)
February 16, 2016			169,467			2,354,930 ($13.90 per share)

The source of such purchase consideration was the Reporting Persons working capital.

In addition, 5,554 shares of Common Stock were transferred to Caledonia on February 5, 2016 at no cost. These shares were restricted stock units which
vested to Mr. Stephen King and Mr. Mathew Masters, directors of Bristow and employees of Caledonia. Mr. King and Mr. Masters assigned ownership of these shares to Caledonia on the same date.

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