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INTECH Global Dividend Fund | Class D Shares

Janus Investment Fund

INTECH Global Dividend Fund

Class D Shares

Supplement dated March 30, 2012

to Currently Effective Prospectuses

Effective April 2, 2012, the following replaces in its entirety the corresponding information for INTECH Global Dividend Fund (the “Fund”) found under “Annual Fund Operating Expenses” in the Fund Summary section of the Fund’s Prospectus to reflect the implementation of a lower expense limit.

ANNUAL FUND OPERATING EXPENSES
(expenses that you pay each year as a percentage of the value of your investment)

Annual Fund Operating Expenses		INTECH Global Dividend Fund Class D Shares Class D
Operating Expenses Column [Text]		Class D
Management Fees		0.55%
Other Expenses	^[1]	0.94%
Total Annual Fund Operating Expenses	^[2]	1.49%
Fee Waiver	^[2]	0.83%
Net Annual Fund Operating Expenses After Fee Waiver	^[2]	0.66%

[1]

Since the Fund is new, Other Expenses are based on the estimated expenses that the Fund expects to incur in its initial fiscal period.

[2]

Janus Capital has contractually agreed to waive the Fund's total annual fund operating expenses (excluding administrative services fees payable pursuant to the Transfer Agency Agreement, brokerage commissions, interest, dividends, taxes, acquired fund fees and expenses, and extraordinary expenses) to 0.50% until at least November 1, 2013. The contractual waiver may be terminated or modified prior to this date only at the discretion of the Board of Trustees. For a period of three years subsequent to the Fund's commencement of operations, Janus Capital may recover from the Fund fees and expenses previously waived or reimbursed, which could then be considered a deferral, if the Fund's expense ratio, including recovered expenses, falls below the expense limit.

- Definition

Total Annual Fund Operating Expenses. If there were expense reimbursement or fee waiver arrangements that reduced any Fund operating expenses and will continue to reduce them for no less than one year from the effective date of the Fund's registration statement, a Fund may add two captions to the table one caption showing the amount of the expense reimbursement or fee waiver, and a second caption showing the Fund's net expenses after subtracting the fee reimbursement or expense waiver from the total fund operating expenses. The Fund should place these additional captions directly below the "Total Annual Fund Operating Expenses" caption of the table and should use appropriate descriptive captions, such as "Fee Waiver [and/or Expense Reimbursement]" and "Total Annual Fund Operating Expenses After Fee Waiver [and/or Expense Reimbursement]," respectively. If the Fund provides this disclosure, also disclose the period for which the expense reimbursement or fee waiver arrangement is expected to continue, and briefly describe who can terminate the arrangement and under what circumstances.

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