**Exhibit 99.1**

**Janus Investment Funds (“JIF”)**
| ** **                               | ** ** | ** **            | ** ** | ** **                              | ** ** | **Lipper Rankings Based**          | ** ** |
|------------------------------------------|------------|-----------------------|------------|-----------------------------------------|------------|------------------------------------|------------|
| ** **                               | ** ** | ** **            | ** ** | ** **                              | ** ** | **on Total Returns as of 6/30/07** | ** ** |
| ** **                               | ** ** | ** **            | ** ** | ** **                              | ** ** | **1-Year**                         | ** ** | **3-Year** | ** ** | **5-Year** | ** ** | **10-Year** | ** ** | **Since PM Inception** | ** ** |
| ** **                               | ** ** | ** **            | ** ** | ** **                              | ** ** | **Percentile**                     | ** ** | **Rank /** | ** ** | **Percentile** | ** ** | **Rank /** | ** ** | **Percentile** | ** ** | **Rank /** | ** ** | **Percentile** | ** ** | **Rank /** | ** ** | **Percentile** | ** ** | **Rank /** | ** ** |
| **Growth Funds**                         | ** ** | **PM Inception** | ** ** | **Lipper Category**                | ** ** | **Rank (%)**                  | ** ** | **Total Funds** | ** ** | **Rank (%)** | ** ** | **Total Funds** | ** ** | **Rank (%)** | ** ** | **Total Funds** | ** ** | **Rank (%)** | ** ** | **Total Funds** | ** ** | **Rank  %)** | ** ** | **Total Funds** | ** ** |
| ** **                               |       |                  | * *   | * *                                | * *   | * *                           | * *   | * * | * * | * * | * * | * * | * * | * * | * * | * * | * * | * * | * * | * * | * * | * * | * * | * * | * * |
| Janus Fund                               |       | Jan-06                |       | Large-Cap  Growth Funds                 | ** ** | **15**                             | ** ** | **105 / 717** | ** ** | **39** | ** ** | **238 / 614** | ** ** | **29** | ** ** | **141 / 494** | ** ** | **35** | ** ** | **67 / 193** | ** ** | **8** | ** ** | **50 / 692** | ** ** |
| Janus Twenty Fund(1)                     |       | Aug-97                |       | Large-Cap  Growth Funds                 | ** ** | **1**                              | ** ** | **7 / 717** | ** ** | **1** | ** ** | **2 / 614** | ** ** | **1** | ** ** | **3 / 494** | ** ** | **3** | ** ** | **4 / 193** | ** ** | **2** | ** ** | **4 / 215** | ** ** |
| Janus Research Fund                      |       | Jan-06                |       | Large-Cap  Growth Funds                 | ** ** | **1**                              | ** ** | **1 / 717** | ** ** | **2** | ** ** | **11 / 614** | ** ** | **2** | ** ** | **7 / 494** | ** ** | **2** | ** ** | **3 / 193** | ** ** | **2** | ** ** | **9 / 692** | ** ** |
| Janus Orion Fund                         |       | Jun-00                |       | Multi-Cap  Growth Funds                 | ** ** | **9**                              | ** ** | **46 / 514** | ** ** | **2** | ** ** | **7 / 410** | ** ** | **3** | ** ** | **8 / 338** | ** ** | **—** | ** ** | **—** | ** ** | **27** | ** ** | **60 / 228** | ** ** |
| Janus Enterprise Fund                    |       | Jan-02                |       | Mid-Cap  Growth Funds                   | ** ** | **14**                             | ** ** | **81 / 608** | ** ** | **18** | ** ** | **85 / 485** | ** ** | **9** | ** ** | **34 / 383** | ** ** | **51** | ** ** | **81 / 159** | ** ** | **15** | ** ** | **55 / 368** | ** ** |
| Janus Venture Fund(1)                    |       | Jan-01                |       | Small-Cap  Growth Funds                 | ** ** | **1**                              | ** ** | **1 / 565** | ** ** | **4** | ** ** | **16 / 458** | ** ** | **4** | ** ** | **14 / 380** | ** ** | **20** | ** ** | **30 / 156** | ** ** | **14** | ** ** | **44 / 315** | ** ** |
| Janus Global Research  Fund              |       | Feb-05                |       | Multi-Cap  Growth Funds                 | ** ** | **4**                              | ** ** | **19 / 514** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **2** | ** ** | **6 / 426** | ** ** |
| Janus Triton Fund                        |       | Jun-06                |       | Small-Cap  Growth Funds                 | ** ** | **6**                              | ** ** | **30 / 565** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **6** | ** ** | **30 / 565** | ** ** |
| **Core Funds**                           |       |                  |       |                                    |       |                               |       |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Janus Contrarian Fund                    |       | Feb-00                |       | Multi-Cap  Core Funds                   | ** ** | **1**                              | ** ** | **2 / 849** | ** ** | **1** | ** ** | **1 / 644** | ** ** | **1** | ** ** | **2 / 465** | ** ** | **—** | ** ** | **—** | ** ** | **11** | ** ** | **32 / 317** | ** ** |
| Janus Growth and Income  Fund            |       | Dec-03                |       | Large-Cap  Core Funds                   | ** ** | **86**                             | ** ** | **692 / 806** | ** ** | **13** | ** ** | **84 / 671** | ** ** | **32** | ** ** | **173 / 556** | ** ** | **5** | ** ** | **12 / 260** | ** ** | **13** | ** ** | **77 / 639** | ** ** |
| Janus Balanced Fund                      |       | Apr-05                |       | Mixed-Asset  Target Alloc. Mod. Funds   | ** ** | **26**                             | ** ** | **109 / 432** | ** ** | **23** | ** ** | **74 / 331** | ** ** | **42** | ** ** | **91 / 218** | ** ** | **6** | ** ** | **6 / 116** | ** ** | **13** | ** ** | **46 / 379** | ** ** |
| Janus Fundamental Equity  Fund           |       | Apr-05                |       | Large-Cap  Core Funds                   | ** ** | **83**                             | ** ** | **667 / 806** | ** ** | **2** | ** ** | **12 / 671** | ** ** | **9** | ** ** | **49 / 556** | ** ** | **1** | ** ** | **2 / 260** | ** ** | **4** | ** ** | **24 / 722** | ** ** |
| INTECH Risk-Managed  Stock Fund          |       | Feb-03                |       | Multi-Cap  Core Funds                   | ** ** | **91**                             | ** ** | **766 / 849** | ** ** | **50** | ** ** | **318 / 644** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **46** | ** ** | **239 / 523** | ** ** |
| **International/Global Funds**           |       |                  |       |                                    |       |                               |       |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Janus Overseas Fund                      |       | Jun-03                |       | International  Funds                    | ** ** | **1**                              | ** ** | **1 / 1024** | ** ** | **1** | ** ** | **1 / 802** | ** ** | **1** | ** ** | **1 / 656** | ** ** | **4** | ** ** | **11 / 285** | ** ** | **1** | ** ** | **1 / 730** | ** ** |
| Janus Worldwide Fund                     |       | Jun-04                |       | Global  Funds                           | ** ** | **5**                              | ** ** | **17 / 401** | ** ** | **69** | ** ** | **208 / 302** | ** ** | **95** | ** ** | **233 / 245** | ** ** | **67** | ** ** | **66 / 98** | ** ** | **69** | ** ** | **208 / 302** | ** ** |
| Janus Global Technology  Fund            |       | Jan-06                |       | Science  & Technology Funds         | ** ** | **27**                             | ** ** | **75 / 283** | ** ** | **23** | ** ** | **57 / 257** | ** ** | **53** | ** ** | **126 / 237** | ** ** | **—** | ** ** | **—** | ** ** | **29** | ** ** | **80 / 281** | ** ** |
| Janus Global Life  Sciences Fund         |       | Apr-07                |       | Health/Biotechnology  Funds             | ** ** | **88**                             | ** ** | **154 / 174** | ** ** | **48** | ** ** | **72 / 152** | ** ** | **62** | ** ** | **84 / 135** | ** ** | **—** | ** ** | **—** | ** ** | ** ** | **‡** | ** ** | ** ** |
| Janus Global  Opportunities Fund         |       | Jun-01                |       | Global  Funds                           | ** ** | **14**                             | ** ** | **56 / 401** | ** ** | **93** | ** ** | **281 / 302** | ** ** | **78** | ** ** | **191 / 245** | ** ** | **—** | ** ** | **—** | ** ** | **20** | ** ** | **40 / 209** | ** ** |
| **Value Funds**                          |       |                  |       |                                    |       |                               |       |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Janus Mid Cap Value Fund  - Inv(2)       |       | Aug-98                |       | Mid-Cap  Value Funds                    | ** ** | **47**                             | ** ** | **138 / 297** | ** ** | **64** | ** ** | **147 / 232** | ** ** | **39** | ** ** | **69 / 177** | ** ** | **—** | ** ** | **—** | ** ** | **6** | ** ** | **4 / 68** | ** ** |
| Janus Small Cap Value  Fund -  Inv.(1,2) |       | Feb-97                |       | Small-Cap  Core Funds                   | ** ** | **28**                             | ** ** | **199 / 732** | ** ** | **80** | ** ** | **449 / 564** | ** ** | **88** | ** ** | **389 / 442** | ** ** | **12** | ** ** | **18 / 150** | ** ** | **17** | ** ** | **21 / 129** | ** ** |
| **Income Funds**                         |       |                  |       |                                    |       |                               |       |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Janus Flexible Bond Fund                 |       | May-07                |       | Intermediate  Inv Grade Debt Funds      | ** ** | **27**                             | ** ** | **140 / 522** | ** ** | **43** | ** ** | **191 / 450** | ** ** | **21** | ** ** | **81 / 387** | ** ** | **35** | ** ** | **63 / 181** | ** ** | ** ** | **‡** | ** ** | ** ** |
| Janus High-Yield Fund                    |       | Dec-03                |       | High  Current Yield Funds               | ** ** | **34**                             | ** ** | **149 / 447** | ** ** | **44** | ** ** | **163 / 376** | ** ** | **81** | ** ** | **251 / 311** | ** ** | **15** | ** ** | **20 / 134** | ** ** | **42** | ** ** | **151 / 365** | ** ** |
| Janus Short-Term Bond  Fund              |       | May-07                |       | Short  Investment Grade Debt Funds      | ** ** | **37**                             | ** ** | **84 / 232** | ** ** | **40** | ** ** | **78 / 195** | ** ** | **35** | ** ** | **50 / 142** | ** ** | **36** | ** ** | **29 / 80** | ** ** | ** ** | **‡** | ** ** | ** ** |
| Janus Federal Tax-Exempt  Fund           |       | Feb-05                |       | General  Muni Debt Funds                | ** ** | **94**                             | ** ** | **222 / 236** | ** ** | **82** | ** ** | **182 / 221** | ** ** | **79** | ** ** | **164 / 207** | ** ** | **82** | ** ** | **107 / 130** | ** ** | **66** | ** ** | **146 / 222** | ** ** |
| **Asset Allocation Funds**               |       |                  |       |                                    |       |                               |       |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Janus Smart  Portfolio-Growth            |       | Dec-05                |       | Mixed-Asset  Target Alloc. Growth Funds | ** ** | **5**                              | ** ** | **25 / 607** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **6** | ** ** | **33 / 587** | ** ** |
| Janus Smart  Portfolio-Moderate          |       | Dec-05                |       | Mixed-Asset  Target Alloc. Mod. Funds   | ** ** | **6**                              | ** ** | **23 / 432** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **8** | ** ** | **31 / 414** | ** ** |
| Janus Smart Portfolio-Conservative       |       | Dec-05                |       | Mixed-Asset Target  Alloc. Cons. Funds  | ** ** | **3**                              | ** ** | **8 / 380** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **—** | ** ** | **2** | ** ** | **6 / 343** | ** ** |

----

Notes:

(1)              Closed to new investors.

(2)              Ranking is for the investor share class only; otherclasses may have different performance characteristics.

 ‡                   The Fund’s since PM-Inception ranking isnot available.

 
| ** **   | ** ** | **Percent of JIF Funds per Lipper Quartile based on Total Returns** | ** ** |
|--------------|------------|-----------------------------------------------------------------------------------------------------------------------|------------|
| ** **   | ** ** | **1-Year**                                                                                                            | ** ** | **3-Year** | ** ** | **5-Year** | ** ** | **10-Year** | ** ** | **Since PM  Inception** | ** ** |
| 1st Quartile |       | 55.6                                                                                                                  | %          | 50.0 | % | 42.9 | % | 60.0 | % | 75.0 | % |
| 2nd Quartile |       | 25.9                                                                                                                  | %          | 27.3 | % | 23.8 | % | 20.0 | % | 16.7 | % |
| 3rd Quartile |       | 0.0                                                                                                                   | %          | 9.1 | % | 9.5 | % | 13.3 | % | 8.3 | % |
| 4th Quartile |       | 18.5                                                                                                                  | %          | 13.6 | % | 23.8 | % | 6.7 | % | 0.0 | % |

 

Please consider the charges, risks, expenses and investment objectivescarefully before investing. For a prospectus containing this and otherinformation, please call Janus at 1-800-525-1068 or download the file fromjanus.com. Read it carefully before you invest or send money.

Lipper Inc. — A Reuters Company, is a nationally recognized organizationthat ranks the performance of mutual funds within a universe of funds that havesimilar investment objectives.  Rankingsare historical with capital gains and dividends reinvested. If an expensewaiver was in effect, it may have had a material effect on the total return oryield for the period.

Data presented reflects past performance, which is no guarantee of futureresults.

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