FXB Invesco CurrencyShares British Pound Sterling Trust As of June 30, 2018 Fund Description Growth of $10,000 WM/Reuters British Pound Closing The Invesco CurrencyShares® British Pound Spot Rate* $10k Sterling Trust (the “trust”) is designed to track $6,617 the price of the British pound sterling, and trades CurrencyShares British Pound under the ticker symbol FXB. The British pound Sterling Trust sterling is the official currency of the United $6,547 Kingdom (England, Wales, Scotland and Northern Ireland) and has been the currency of the accounts of the Bank of England since 1694. The Fund is rebalanced quarterly. Fund Data Fund Symbol FXB $0 Share Price $128.08 ‘09 ‘10 ‘11 ‘12 ‘13 ‘14 ‘15 ‘16 ‘17 ‘18 NAV Price $128.13 Total Expense Ratio 0.40% Data beginning 10 years prior to the ending date of June 30, 2018. Fund performance shown at NAV. CUSIP 46138M109 Listing Exchange NYSE Arca Fund Performance & Index History (%) Fund YTD 1 year 3 year 5 year 10 year Inception Benchmark Index WM/Reuters British Pound Closing Spot Rate -2.40 1.64 -5.67 -2.74 — — Fund NAV -2.56 1.30 -5.99 -3.07 -4.15 -2.11 Market Price -2.38 0.99 -5.97 -3.13 -4.16 -2.11 Performance data quoted represents past performance, which is not a guarantee of future results. Investment returns and principal value will fluctuate, and shares, when redeemed, may be worth more or less than their original cost. Current performance may be higher or lower than performance data quoted. See invesco.com for the most recent month-end performance numbers. Fund performance reflects applicable fee waivers, absent which the performance data quoted would have been lower. Returns less than one year are cumulative. The net asset value (NAV) and market close performance may differ from one another. A major reason for the difference is that timing discrepancies can exist between the NAV, which is calculated using the WM/Reuters closing spot rate, and the market close, which is calculated using closing price (last trade). Market price returns are based on the midpoint of the bid/ask spread at 4 p.m. ET and do not represent the returns an investor would receive if shares were traded at other times. As the result of a reorganization on April 6, 2018, the returns presented reflect performance of the Guggenheim predecessor fund. Invesco is not affiliated with Guggenheim. Issuer Free Writing Prospectus dated August 17, 2018 Filed Pursuant to Rule 433 Registration No. 333-212378 Fund Inception: June 21, 2006 The benchmark index does not charge management WM/Reuters closing spot rate is the exchange rate of Index returns do not represent Fund returns. An fees or brokerage expenses, and no such fees or the U.S. dollar and the applicable foreign currency as investor cannot invest directly in an index. expenses were deducted from the performance shown; determined by WM/Reuters as of 4:00 p.m. London nor does the benchmark index lend securities, and no Time. WM/Reuters British Pound Closing Spot Rate* revenues from securities lending were added to the performance prior to 11/13/2008 reflects the noon performance shown. In addition, the results actual Shares are not individually redeemable. Shares may buying rate as determined by the Federal Reserve investors might have achieved would have differed be acquired from the Fund and tendered for Bank of New York. From 11/13/2008 forward, the from those shown because of differences in the timing, redemption to the Fund in Creation and Redemption performance reflects that of the WM/Reuters British amounts of their investments, and fees and expenses Units only, typically consisting of 50,000 Shares. Pound Closing Spot Rate AND IS NOT INTENDED FOR associated with an investment in the Fund. ANY THIRD PARTY USE.

FXB Invesco CurrencyShares British Pound Sterling Trust As of June 30, 2018 Top Fund Holdings (%) Annual Index History (%) Weight WM/Reuters British Pound British Pound Sterling 100.00 Closing Spot Rate 2009 12.32 2010 -3.05 2011 -0.74 2012 4.59 2013 1.89 2014 -5.86 2015 -5.47 2016 -16.16 2017 9.48 2018 YTD -2.40 Potential Benefits Investors may wish to invest in the currency in order to take advantage of short–term tactical or long–term strategic opportunities. An investor who believes that the U.S. dollar is weakening relative to the currency may capitalize on the potential movement. An investor who believes that the currency is overvalued relative to the U.S. dollar may choose to sell CurrencyShares, including short sales, as permitted by the Securities and Exchange Commission (SEC). Investors are able to access the currency market through a traditional brokerage account and the shares trade daily on the NYSE Arca. About risk CurrencyShares are subject to risks similar to those of the Shares. The interest rate paid by the Depository, if any, may of stocks and may not be suitable for all investors. Substantial sales of British Pounds Sterling by the not be the best rate available. If the Sponsor The value of the Shares relates directly to the value official sector could adversely affect an investment in determines that the interest rate is inadequate, then its of the British Pounds Sterling held by the Trust. the Shares. Fluctuations in the price of the British Pound sole recourse is to remove the Depository and Sterling could materially and adversely affect the Invesco Specialized Products, LLC is the sponsor/issuer terminate the Deposit Accounts. value of the Shares. and Invesco Distributors, Inc. is the distributor for the The Fund is subject to certain other risks. Please see Trust. Both firms are indirect, wholly owned The USD/British Pounds Sterling exchange rate, like subsidiaries of Invesco Ltd. the current prospectus for more information regarding foreign exchange rates in general, can be volatile and the risks associated with an investment in the Fund. difficult to predict. This volatility could materially and The WM/Reuters closing spot rates are provided by The Fund is not a mutual fund or any other type of adversely affect the performance of the Shares. The World Markets Company LBC (WM) in conjunction investment company within the meaning of the Investment in foreign exchange related products is with Reuters and are used for certain currencies (the Investment Company Act of 1940, as amended, and subject to many factors that contribute to or increase “rates”) displayed herein. WM and Reuters shall not be is not subject to regulation thereunder. volatility, such as national debt levels and trade liable for any errors in delays in providing or making Shares in the Fund are not FDIC insured, may lose deficits, changes in domestic and foreign interest rates, available the WM/Reuters closing spot rates nor for value and have no bank guarantee. and investors’ expectations concerning interest rates, any actions taken in reliance on the same. This currency exchange rates and global or regional information cannot be used, reproduced, distributed, The Trust has filed a registration statement political, economic or financial events and situations. redistributed, licensed in any way without a written (including a prospectus) with the SEC for the agreement with WM. offering to which this communication relates. Before If interest earned by the Trust does not exceed the you invest, you should read the prospectus in that Trust’s expenses, the Trustee will withdraw British The Bank of New York Mellon is the Trustee and registration statement and other documents the Pounds Sterling from the Trust to pay these excess JPMorgan Chase Bank, N.A., London Branch is the Trust has filed with the SEC for more complete expenses, which will reduce the amount of British Depository for the Trust. Invesco is not affiliated with information about the issuer and this offering. You Pounds Sterling represented by each Share on an the Trust’s Depository or Trustee. may get these documents for free by visiting ongoing basis and may result in adverse tax This does not constitute a recommendation of any EDGAR on the SEC website at sec.gov. consequences for Shareholders. investment strategy or product for a particular Alternatively, you may visit the Trust’s web site at If the Trust incurs expenses in USD, the Trust would be investor. Investors should consult a financial invesco.com or the Trust will arrange to send you required to sell British Pounds Sterling to pay these professional before making any investment decisions. the prospectus if you request it by calling toll free expenses. The sale of the Trust’s British Pounds Note: Not all products available through all firms or in 800 983 0903. Sterling to pay expenses in USD at a time of low British all jurisdictions. Pounds Sterling prices could adversely affect the value 800 983 0903 invesco.com P-FXB-PC-1 08/18