Blocklisting Application

BlackRock North American Income Trust plc (the "Company")

Blocklisting Application

An application has been made to the UK Listing Authority and the London Stock
Exchange for the blocklisting of 3,599,999 Ordinary Shares of one pence each
pursuant to the General Corporate Purposes Scheme.

The shares will, when issued, rank pari passu with the existing shares of the
Company.

17 December 2012

All enquires:
Barbara Powley
Company Secretary
BlackRock Investment Management (UK) Limited
Tel: [phone]

Sapna Shah
Cenkos Securities
Tel: [phone]