Document Format Files
| Seq | Description | Document | Type | Size |
|---|---|---|---|---|
| 1 | 6-K MONTHLY APRIL 2018 | rio-6k_20180430.htm | 6-K | 43926 |
| 2 | EX-99.1 | rio-ex991_43.htm | EX-99.1 | 11712 |
| 3 | EX-99.2 | rio-ex992_44.htm | EX-99.2 | 2814679 |
| 4 | EX-99.3 | rio-ex993_42.htm | EX-99.3 | 2897333 |
| 5 | EX-99.4 | rio-ex994_41.htm | EX-99.4 | 2738416 |
| 6 | EX-99.5 | rio-ex995_40.htm | EX-99.5 | 27206 |
| 7 | EX-99.6 | rio-ex996_38.htm | EX-99.6 | 101662 |
| 8 | EX-99.7 | rio-ex997_39.htm | EX-99.7 | 2635064 |
| 9 | EX-99.8 | rio-ex998_37.htm | EX-99.8 | 20871 |
| 10 | EX-99.9 | rio-ex999_36.htm | EX-99.9 | 3041661 |
| 11 | EX-99.10 | rio-ex9910_35.htm | EX-99.10 | 14355 |
| 12 | EX-99.11 | rio-ex9911_34.htm | EX-99.11 | 2624052 |
| 13 | EX-99.12 | rio-ex9912_33.htm | EX-99.12 | 2781006 |
| 14 | EX-99.13 | rio-ex9913_32.htm | EX-99.13 | 2486304 |
| 15 | EX-99.14 | rio-ex9914_31.htm | EX-99.14 | 2809913 |
| 16 | EX-99.15 | rio-ex9915_29.htm | EX-99.15 | 2662565 |
| 17 | EX-99.16 | rio-ex9916_30.htm | EX-99.16 | 2621978 |
| 18 | EX-99.17 | rio-ex9917_27.htm | EX-99.17 | 83812 |
| 19 | EX-99.18 | rio-ex9918_28.htm | EX-99.18 | 1767056 |
| 20 | EX-99.19 | rio-ex9919_25.htm | EX-99.19 | 47592 |
| 21 | EX-99.20 | rio-ex9920_26.htm | EX-99.20 | 2575994 |
| 22 | EX-99.21 | rio-ex9921_24.htm | EX-99.21 | 20698 |
| 23 | EX-99.22 | rio-ex9922_23.htm | EX-99.22 | 31414 |
| 24 | EX-99.23 | rio-ex9923_21.htm | EX-99.23 | 43163 |
| 25 | EX-99.24 | rio-ex9924_22.htm | EX-99.24 | 2529799 |
| 26 | EX-99.25 | rio-ex9925_20.htm | EX-99.25 | 34211 |
| 27 | EX-99.26 | rio-ex9926_19.htm | EX-99.26 | 2716131 |
| 28 | EX-99.27 | rio-ex9927_18.htm | EX-99.27 | 2469559 |
| 29 | EX-99.28 | rio-ex9928_16.htm | EX-99.28 | 2588751 |
| 30 | EX-99.29 | rio-ex9929_17.htm | EX-99.29 | 2610930 |
| 31 | EX-99.30 | rio-ex9930_14.htm | EX-99.30 | 3009795 |
| 32 | EX-99.31 | rio-ex9931_15.htm | EX-99.31 | 2892526 |
| 33 | GRAPHIC | g2018050214101216426166.jpg | GRAPHIC | 751 |
| 34 | GRAPHIC | g2018050214102145226491.jpg | GRAPHIC | 751 |
| 35 | GRAPHIC | g2018050214104885828387.jpg | GRAPHIC | 751 |
| 36 | GRAPHIC | g2018050214103512628347.jpg | GRAPHIC | 2425 |
| 37 | GRAPHIC | g2018050214111468526492.jpg | GRAPHIC | 751 |
| 38 | GRAPHIC | g2018050214103935527260.jpg | GRAPHIC | 751 |
| 39 | GRAPHIC | g2018050214102496726168.jpg | GRAPHIC | 751 |
| 40 | GRAPHIC | g2018050214103404726169.jpg | GRAPHIC | 751 |
| 41 | GRAPHIC | g2018050214095943227258.jpg | GRAPHIC | 2425 |
| 42 | GRAPHIC | g2018050214105940124789.jpg | GRAPHIC | 751 |
| 43 | GRAPHIC | g2018050214111928728349.jpg | GRAPHIC | 751 |
| 44 | GRAPHIC | g2018050214102311026565.jpg | GRAPHIC | 751 |
| 45 | GRAPHIC | g2018050214110644526171.jpg | GRAPHIC | 751 |
| 46 | GRAPHIC | g2018050214110917828348.jpg | GRAPHIC | 751 |
| 47 | GRAPHIC | g2018050214103911423453.jpg | GRAPHIC | 881 |
| 48 | GRAPHIC | g2018050214110000926567.jpg | GRAPHIC | 751 |
| 49 | GRAPHIC | g2018050214101776026490.jpg | GRAPHIC | 751 |
| 50 | GRAPHIC | g2018050214095837326165.jpg | GRAPHIC | 2425 |
| 51 | GRAPHIC | g2018050214101084528385.jpg | GRAPHIC | 751 |
| 52 | GRAPHIC | g2018050214101133128344.jpg | GRAPHIC | 2425 |
| 53 | GRAPHIC | g2018050214095944327259.jpg | GRAPHIC | 751 |
| 54 | GRAPHIC | g2018050214104820126170.jpg | GRAPHIC | 751 |
| 55 | GRAPHIC | g2018050214102476326167.jpg | GRAPHIC | 2425 |
| 56 | GRAPHIC | g2018050214101136228345.jpg | GRAPHIC | 881 |
| 57 | GRAPHIC | g2018050214102923428346.jpg | GRAPHIC | 751 |
| 58 | GRAPHIC | g2018050214104109728386.jpg | GRAPHIC | 2425 |
| 59 | GRAPHIC | g2018050214103677823452.jpg | GRAPHIC | 751 |
| 60 | GRAPHIC | g2018050214110264424790.jpg | GRAPHIC | 2425 |
| 61 | GRAPHIC | g2018050214101009128384.jpg | GRAPHIC | 2425 |
| 62 | GRAPHIC | g2018050214105447927261.jpg | GRAPHIC | 751 |
| 63 | GRAPHIC | g2018050214102329224788.jpg | GRAPHIC | 2425 |
| 64 | GRAPHIC | g2018050214105734026566.jpg | GRAPHIC | 751 |
| Complete submission text file | 0001564590-18-010272.txt | 53815582 |
EIN.: 000000000 | State of Incorp.: X0 | Fiscal Year End: 1231
Type: 6-K | Act: 34 | File No.: 001-10533 | Film No.: 18799442
SIC: 1000 Metal Mining
EIN.: 000000000 | State of Incorp.: C3 | Fiscal Year End: 1231
Type: 6-K | Act: 34 | File No.: 001-34121 | Film No.: 18799443
SIC: 1000 Metal Mining