Rule 2.9 Announcement

NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION IN WHOLE OR IN PART, IN, INTO OR FROM ANY JURISDICTION WHERE TO DO SO WOULD CONSTITUTE A VIOLATION OF THE RELEVANT LAWS OF SUCH JURISDICTION

UBM LEI: 213800KLMH5SP3247C87

FOR IMMEDIATE RELEASE

31 January 2018

UBM plc (the "Company")

Rule 2.9 Announcement

In accordance with Rule 2.9 of the City Code on Takeovers and Mergers, the Company confirms that, as at the close of business on 30 January 2018, it had 394,092,229 ordinary shares of 11 1/4 pence each in issue and admitted to trading on the main market for listed securities of the London Stock Exchange plc. The International Securities Identification Number for the ordinary shares is JE00BD9WR069.

UBM has an American Depositary Receipts ("ADR") programme sponsored and administered by BNY Mellon. 1 ADR represents 1 ordinary share of UBM. The ADRs are traded on the over-the-counter Pink Marketplace. The trading symbol for the ADRs is UBMPY and the ISIN is US90265U2033.

The Company holds no shares in treasury.

Enquiries:

UBM plc

Kate Postans +44 (0) 207 921 5023

(Head of Investor Relations and Corporate Communications)