August 19, 2015, Vancouver, BC - Rockwell Diamonds Inc. ("Rockwell" or the "Company") (TSX: RDI; JSE: RDI) announces that it has decided to postpone its annual meeting of shareholders scheduled for September 16, 2015 to September 23, 2015. Except for shareholders in South Africa, the record date for the meeting will remain as August 12, 2015. In respect of the Company's South African register, only shareholders of record as of August 21, 2015 are entitled to receive notice of the meeting and only shareholders of record as of September 18, 2015 are entitled to vote at the meeting. The reason for the postponement is to provide enough time for the meeting materials to be mailed to and received by registered and beneficial shareholders of the Company. The Company has previously obtained approval from the Toronto Stock Exchange to hold its annual meeting no later than October 1, 2015.

For further information on Rockwell and its operations in South Africa, please contact

James Campbell CEO +27 (0)83 457 3724

Stéphanie Leclercq Investor Relations +27 (0)83 307 7587

David Tosi PSG Capital - JSE Sponsor +27 (0)21 887 9602

About Rockwell Diamonds:

Rockwell is engaged in the business of operating and developing alluvial diamond deposits, with a goal to become a mid-tier diamond production company. Rockwell also has a development project and a pipeline of earlier stage properties with future development potential. The operations are based on a strategy of throughput processing and technology. Rockwell continuously strives to be the lowest cost producer in the industry.

The Company is known for producing large, high quality gemstone comprising a major portion of its diamond recoveries that is enhanced through a beneficiation joint venture that enables it to participate in the profits on the sale of the polished diamonds.

Rockwell also evaluates consolidation opportunities which have the potential to expand its mineral resources and production profile and to provide accretive value to the Company.

Rockwell's common shares trade on the Toronto Stock Exchange and the JSE Limited under the symbol "RDI". No regulatory authority has approved or disapproved the information contained in this news release.

Forward Looking Statements

Except for statements of historical fact, this news release contains certain "forward-looking information" within the meaning of applicable securities law. Forward-looking information is often, but not always, characterized by words such as "plan", "expect", "project", "intend", "believe", "anticipate", "potential", "should", "likely", "forecast", "estimate" and other similar words or statements that certain events or conditions "may" or "will" occur. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results or developments may differ materially from those in the forward-looking statements.

Factors that could cause actual results to differ materially from those in forward-looking statements include risks and uncertainties related to changes in general economic conditions; the financial markets and the demand and market price for securities of the Company; the mining industry; and many other factors beyond the control of Rockwell.

Although Rockwell has attempted to identify important factors that could cause actual actions, events or results to differ materially from those described in forward-looking statements, there may be other factors that cause actions, events or results to differ from those anticipated, estimated or intended. No forward-looking statement can be guaranteed. Except as required by applicable securities laws, forward-looking statements speak only as of the date on which they are made and the Company undertakes no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events, or otherwise.

For further information on Rockwell, investors should review Rockwell's home jurisdiction filings that are available at www.sedar.com.

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