INVESCO EXCHANGE-TRADED FUND TRUST

SUPPLEMENT DATED JANUARY 14, 2019 TO THE PROSPECTUS DATED AUGUST 28, 2018 AND

THE STATEMENT OF ADDITIONAL INFORMATION DATED AUGUST 28, 2018, AS REVISED

SEPTEMBER 4, 2018, EACH AS PREVIOUSLY SUPPLEMENTED, OF:

Invesco Aerospace & Defense ETF Invesco BuyBack Achievers^TM ETF Invesco Cleantech^TM ETF Invesco Dividend Achievers^TM ETF Invesco Dow Jones Industrial Average Dividend ETF Invesco DWA Basic Materials Momentum ETF Invesco DWA Consumer Cyclicals Momentum ETF Invesco DWA Consumer Staples Momentum ETF Invesco DWA Energy Momentum ETF Invesco DWA Financial Momentum ETF Invesco DWA Healthcare Momentum ETF Invesco DWA Industrials Momentum ETF Invesco DWA Momentum ETF Invesco DWA NASDAQ Momentum ETF Invesco DWA Technology Momentum ETF Invesco DWA Utilities Momentum ETF Invesco Dynamic Biotechnology & Genome ETF Invesco Dynamic Building & Construction ETF Invesco Dynamic Energy Exploration & Production ETF Invesco Dynamic Food & Beverage ETF Invesco Dynamic Large Cap Growth ETF Invesco Dynamic Large Cap Value ETF Invesco Dynamic Leisure and Entertainment ETF Invesco Dynamic Market ETF Invesco Dynamic Media ETF Invesco Dynamic Networking ETF Invesco Dynamic Oil & Gas Services ETF Invesco Dynamic Pharmaceuticals ETF Invesco Dynamic Retail ETF Invesco Dynamic Semiconductors ETF Invesco Dynamic Software ETF Invesco FTSE RAFI US 1000 ETF Invesco FTSE RAFI US 1500 Small-Mid ETF Invesco Global Listed Private Equity ETF Invesco Golden Dragon China ETF Invesco High Yield Equity Dividend Achievers^TM ETF Invesco Insider Sentiment ETF Invesco International Dividend Achievers^TM ETF Invesco NASDAQ Internet ETF Invesco Russell 2000 Equal Weight ETF Invesco Russell 2000 Pure Growth ETF Invesco Russell 2000 Pure Value ETF Invesco Russell Midcap Equal Weight ETF Invesco Russell Midcap Pure Growth ETF Invesco Russell Midcap Pure Value ETF Invesco Russell Top 200 Equal Weight ETF Invesco Russell Top 200 Pure Growth ETF Invesco Russell Top 200 Pure Value ETF Invesco S&P 100^® Equal Weight ETF Invesco S&P 500 BuyWrite ETF Invesco S&P 500^® Equal Weight Consumer Discretionary ETF Invesco S&P 500^® Equal Weight Consumer Staples ETF Invesco S&P 500^® Equal Weight Energy ETF Invesco S&P 500^® Equal Weight ETF Invesco S&P 500^® Equal Weight Financials ETF Invesco S&P 500^® Equal Weight Health Care ETF Invesco S&P 500^® Equal Weight Industrials ETF Invesco S&P 500^® Equal Weight Materials ETF Invesco S&P 500^® Equal Weight Real Estate ETF Invesco S&P 500^® Equal Weight Technology ETF Invesco S&P 500^® Equal Weight Utilities ETF Invesco S&P 500^® Pure Growth ETF Invesco S&P 500^® Pure Value ETF Invesco S&P 500^® Quality ETF Invesco S&P 500^® Top 50 ETF Invesco S&P MidCap 400^® Equal Weight ETF Invesco S&P MidCap 400^® Pure Growth ETF Invesco S&P MidCap 400^® Pure Value ETF Invesco S&P SmallCap 600^® Equal Weight ETF Invesco S&P SmallCap 600^® Pure Growth ETF Invesco S&P SmallCap 600^® Pure Value ETF Invesco S&P Spin-Off ETF Invesco Water Resources ETF Invesco WilderHill Clean Energy ETF Invesco WilderHill Progressive Energy ETF Invesco Wilshire Micro-Cap ETF Invesco Zacks Micro Cap ETF Invesco Zacks Mid-Cap ETF Invesco Zacks Multi-Asset Income ETF

(collectively, the “Funds”)

Effective today, Jonathan Nixon is no longer a Portfolio Manager of the Funds. Accordingly, all information and references related to him are hereby removed from the Prospectus and Statement of Additional Information.

Please Retain This Supplement For Future Reference.

P-PS-TRUST I-PRO-SAI-SUP-2 011419