Columbia Strategic Income A COSIX

1 Release Date: 12-31-2020 Columbia Strategic Income A COSIX ..BenchmarkICE BofA USD 3M Dep OR CM TR USDO verall Morningstar Rating Morningstar ReturnMorningstar RiskQQQQQHighAbove AverageOut of 269 Nontraditional Bond funds. An investment's overall Morningstar Rating, based on its risk-adjustedreturn, is a weighted average of its applicable 3-, 5-, and 10-year Ratings. See disclosure for Objective & StrategyFrom investment s prospectusThe investment seeks total return , consisting of current Income and capital normal circumstances, the fund has substantial exposure to fixed- Income /debt markets. It may invest in government bonds and notes, and international bonds and notes, investment grade corporate (or similar) bonds and notes, mortgage- and other asset-backed securities, high yield ( , junk) instruments, floating rate loans and other floating rate debt securities, inflation-protected/linked securities, convertible securities, cash/cash equivalents, as well as foreign government, sovereign and quasi-sovereign debt and Expenses as of 01-01-20 Prospectus Net Expense Annual Operating Sales DataTypeExp.

2 Date%..Operations and ManagementFund Inception Date04-21-77 Portfolio Manager(s)Colin J. Lundgren, CFAGene R. Tannuzzo, CFAName of IssuerColumbia ThreadneedleTelephone800-345-6611 Web Description: ICE BofA USD 3M Dep OR CM TR USDThe index measures the performance of a synthetic assetpaying Libor to a stated maturity. It is based on the assumedpurchase at par of a synthetic instrument having exactly itsstated maturity and with a coupon equal to that days fixingrate. That issue is assumed to be sold the following businessday (priced at a yield equal to the current day fixing rate) androlled into a new Description: Nontraditional BondInclusion in Nontraditional Bond is informed by a balance offactors determined by Morningstar analysts. Those typicallyinclude a mix of: absolute return mandates; goals ofproducing returns not correlated with the overall bondmarket; performance benchmarks based on ultrashort-terminterest rates such as Fed funds, T-bills, or Libor; the ability touse a broad range of derivatives to take long and shortmarket and security-level positions; and few or very limitedportfolio constraints on exposure to credit, sectors, currency,or interest-rate sensitivity.

3 Funds in this group typically havethe flexibility to manage duration exposure over a wide rangeof years and to take it to zero or a negative return %as of 12-31-20 InvestmentBenchmarkAverage annual, if greaterthan 1 Year3 Year5 Year10 YearSince return % return % return % Average %.. Rating ..26924094.# of Funds in CategoryQuarter End Returns as of 12-31-20 YTD1 Year3 Year5 Year10 YearSince InceptionFund return % return % Disclosure: The performance data quoted represents past performance and does not guarantee futureresults. The investment return and principal value of an investment will fluctuate; thus an investor s shares, whenredeemed, may be worth more or less than their original cost. Current performance may be lower or higher thanreturn data quoted herein. For performance data current to the most recent month-end please visit the websitelisted under Operations and Management on this Analysis as of 09-30-20 Composition as of 09-30-20% Fixed Income Style Box as of 09-30-20 HighMedLowLtd Mod ExtAvg Eff Eff Wtd 10 Holdings as of 09-30-20% AssetsLong Gilt Future Dec20 Bund Future Dec 20 Year Treasury Note Future Dec 20 National Mortgage Associatio 2% US Treasury Bond Future Dec 20 Short-Term Year Treasury Note Future Dec 20 National Mortgage Associat Gsmr Issuer Trust Gsmr Issuer Trust 3% Number of Stock Holdings11 total Number of Bond Holdings1254 Annual Turnover Ratio % fund Assets ($mil)5, Sectors as of 09-30-20% fund % Category Cash/Cash Analysis as of 09-30-20% Bonds-100 -50 0 50 100 AAA4AA5A4 BBB24BB22B18 Below B5 Not Rated18 Principal Risks as of 09-30-20 Lending, Credit and Counterparty, Extension, Inflation-Protected Securities, Prepayment (Call)

4 , Reinvestment, Emerging Markets,Foreign Securities, Loss of Money, Not FDIC Insured, Active Management, High Portfolio Turnover, Income , Issuer, Interest Rate,Market/Market Volatility, Convertible Securities, Futures, High-Yield Securities, Mortgage-Backed and Asset-Backed Securities,Options, Other, Preferred Stocks, Restricted/Illiquid Securities, Government Obligations, Derivatives, Leverage, Dollar Rolls,Sovereign Debt, Regulation/Government Intervention, Forwards, Swaps 2021 Morningstar, Inc., Morningstar Investment Profiles 312-696-6000. All rights reserved. The information contained herein: (1) is proprietary to Morningstar and/or its content providers; (2) maynot be copied or distributed and (3) is not warranted to be accurate, complete or timely. Neither Morningstar nor its content providers are responsible for any damages or losses arising from any use ofinformation. Past performance is no guarantee of future performance. Visit our investment website at Investors should consider the investment objectives,risks, and charges and expenses of the funds carefullybefore investing.

5 The prospectus and summaryprospectus, if applicable, for each fund contains this andother information about that fund . For copies of anyprospectuses or summary prospectuses, if applicable,please call (866) 498-4557 or visit Read each prospectus carefully beforeinvesting. Transamerica Investors Securities Corporation (TISC), 440 Mamaroneck Avenue, Harrison, NY 10528, distributessecurities products. Any fund offered under the plan isdistributed by that particular fund 's associated fund family andits affiliated broker-dealer or other broker-dealers with effectiveselling agreements such as TISC. If the Transamerica Funds areoffered under the plan, the Transamerica Funds are distributedby Transamerica Capital, Inc. (TCI) and are advised byTransamerica Asset Management, Inc. (TAM). TAM, TCI, andTISC are affiliated companies and are not affiliated withMorningstar. Effective August 31, 2015, Transamerica Retirement SolutionsCorporation changed its name to Transamerica RetirementSolutions, LLC.

6 Effective May 1, 2016, Transamerica Money Market changedits name to Transamerica Government Money Market,Transamerica Partners Money Market changed its name toTransamerica Partners Government Money Market, andTransamerica Partners Institutional Money Market changed itsname to Transamerica Partners Institutional GovernmentMoney Market, and each fund now operates as a "government"money market fund under new federal regulations, whichbecome fully effective on October 14, 2016. A "government"money market fund invests at least of its total assets government securities, cash, and/or repurchaseagreements that are fully collateralized by governmentsecurities or cash. When used as supplemental sales literature, the InvestmentProfile must be preceded or accompanied by the fund 's currentprospectus as well as this disclosure statement. Theperformance data given represents past performance andshould not be considered indicative of future results. Principalvalue and investment return will fluctuate, so that an investor'sshares when redeemed may be worth more or less than theoriginal investment.

7 fund portfolio statistics change over fund is not FDIC-insured, may lose value and is notguaranteed by a bank or other financial institution. PerformanceTotal return reflects performance without adjusting for salescharges or the effects of taxation, but is adjusted to reflect allactual ongoing fund expenses and assumes reinvestment ofdividends and capital gains. If adjusted, sales charges wouldreduce the performance quoted. Performance does not takeinto account any plan fees, asset based charges, servicecharges, or, if applicable, surrender or discontinuance adjusted for these charges, performance would be lower. An asset based charge (also referred to as a variable assetcharge (VAC) or plan service fee (PSF)) of up to may beassessed to all assets allocated to any mutual fund from theVanguard mutual fund family. Standardized total return is total return adjusted for salescharges. The sales charge adjusted for may not necessarily beconsistent with the prospectus. The fund 's performance is compared with that of an index.

8 Theindex is an unmanaged portfolio of specified securities and theindex does not reflect any initial or ongoing expenses. A fund 'sportfolio may differ significantly from the securities in the index is chosen by Morningstar. One cannot invest directlyin an index. Load-Adjusted total return is total return adjusted for salescharges. The sales charge adjusted for may not necessarily beconsistent with the prospectus. Deposits made by plan participants are not subject to any front-end loads/sales fees of the mutual fund . Performance shown since inception is from the initial classinception date listed on the individual investment fact Historical return and Extended Performance Rating:Morningstar provides adjusted historical returns and anextended performance rating for some mutual funds in itsuniverse. This means that any share class that doesn't have a10-year performance history may show adjusted returns andreceive a hypothetical Morningstar Rating based on the oldestsurviving share class of the fund .

9 Morningstar will adjust theperformance history of the original portfolio to reflect anydifferences in fees between the original share class and thenew share class. Because share classes are based on the sameunderlying portfolio of securities, the only differences inperformance can be attributable to fees. First, Morningstarcomputes the funds' new return stream by appending anadjusted return history of the oldest share class. Next, theExtended Performance Rating is determined by comparing theadjusted-historical returns to the current open-end mutual funduniverse to identify placement in the bell curve used to assignthe Morningstar Track FundsThe ClearTrackSM target date options invest in exchange-tradedfunds (ETFs) which may represent a variety of broad assetclasses including equity, fixed Income , inflation-hedging, andshort-term defensive instruments and may be subject to all ofthe risks of these asset classes. ETFs generally present thesame risks as an investment in a conventional fund that has thesame investment objectives, strategies, and policies.

10 Themarket price of an ETF's shares may be above or below theshares' net asset value; and an active trading market for an ETF'sshares may not develop or be maintained. The allocationsbecome more conservative over time: The fund 's asset mixallocated to equities will decrease while the percentageallocated to fixed Income will increase as the target dateapproaches. The higher the allocation is to equities, the greaterthe risk. The principal value of the investment option is neverguaranteed, including at and after the target does not assure a profit or protect against marketloss. Performance figures reflect any fee waivers and/orexpense reimbursements by the Investment Adviser. Withoutsuch waivers and/or reimbursements, the performance wouldbe lower. Future waivers and/or reimbursements are at thediscretion of the Investment Annual Operating Expense This is the percentage of fund assets paid for operatingexpenses and management fees. The expense ratio typicallyincludes the following types of fees: accounting, administrator,advisor, auditor, board of directors, custodial, distribution(12b-1), legal, organizational, professional, registration,shareholder reporting, sub-advisor, and transfer agency.