HQH abrdn Healthcare Investors

On September 30, 2016, Tekla Healthcare Investors paid a distribution of $0.47 per share. It is currently estimated that this distribution is derived from long-term capital gains. The composition of this and subsequent distributions may vary from quarter to quarter because it may be materially impacted by future realized gains and losses on securities. The aggregate of the net unrealized appreciation of portfolio securities and net realized gains on sale of securities is $312,885,883, of which $264,281,021 represents net unrealized appreciation of portfolio securities.

The following table sets forth the estimated amounts of the current distribution, paid on September 30, 2016, and the cumulative distributions paid this fiscal year-to-date from the following sources: net investment income, net realized short-term capital gains, net realized long-term capital gains, return of capital or other capital source. All amounts are expressed per common share.

                     

CurrentDistribution

   

PercentageBreakdown ofCurrent Distribution

   

Total CumulativeDistributions for the Fiscal Year to Date1

   

Percentage Breakdownof the Total CumulativeDistributions for theFiscal Year to Date1

Net Investment Income     $0.0000     0%     $0.0000     0% Net Realized ST Cap Gains     $0.0000     0%     $0.0000     0% Net Realized LT Cap Gains     $0.4700     100%     $3.1000     100% Return of Capital or Other Capital Source     $0.0000     0%     $0.0000     0% TOTAL (per common share):     $0.4700     100%     $3.1000     100%  

The table below includes information relating to the Fund’s performance based on its NAV for certain periods.

    Average annual return at NAV for the period from July 31, 2011 through July 31, 2016     19.48% Annualized current distribution rate expressed as a percentage of NAV as of July 31, 2016     7.22% Cumulative total return at NAV for the fiscal year, through July 31, 20162     -3.11% Cumulative fiscal year-to-date distribution rate expressed as a percentage of NAV as of July 31, 20161     11.90%  

You should not draw any conclusions about the Fund’s investment performance from the amount of this distribution or from the terms of the Fund’s managed distribution policy.

The amounts and sources of distributions reported in this press release are only estimates and are not being provided for tax reporting purposes. The actual amounts and sources of the amounts for tax reporting purposes will depend upon the Fund’s investment experience during the remainder of its fiscal year and may be subject to changes based on tax regulations. The Fund will send you a Form 1099-DIV for the calendar year that will tell you how to report these distributions for federal income tax purposes.

Tekla Healthcare Investors (NYSE: HQH) is a closed-end fund that invests in companies in the healthcare industry.

Tekla Capital Management LLC, the Fund’s investment adviser, is a Boston, MA based healthcare-focused investment manager with approximately $2.6 billion of net assets under management as of June 30, 2016. Tekla also serves as investment adviser to Tekla Life Sciences Investors (NYSE: HQL), Tekla Healthcare Opportunities Fund (NYSE: THQ) and Tekla World Healthcare Fund (NYSE: THW), closed-end funds that invest in companies in the healthcare and life sciences industries. Information regarding the Funds and Tekla Capital Management LLC can be found at www.teklacap.com.

Destra Capital Investments, the Fund’s marketing and investor support services agent, is a Chicago, IL based investment management firm. Please contact Destra Capital Investments at HQH@destracapital.com or call (877) 855-3434 if you have any questions regarding HQH.

1 The Fund’s current fiscal year began on October 1, 2015.2 Cumulative total return at NAV is the percentage change in the Fund’s NAV and includes all distributions and assumes the reinvestment of those distributions for the period of September 30, 2015 through July 31, 2016.

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Destra Capital Investments877-855-3434HQH@destracapital.com