130

INTANGIBLE AND TANGIBLE ASSETS At 31 December 2016 (Millions of euros)

2017 2016 (Restated)*

2015

Gross intangible assets 4,216 4,455 883

Exploration and evaluation assets 683 911

O&G possible or contingent reserves (B.C.) 20 19

O&G proven reserves (B.C.) 2,461 2,606

Operating licenses, concessions, patents, etc. 112 116 111

EDP computer software 253 230 210

Other intangible assets 687 573 562

Amortization and impairment of intangible assets: 3,610 3,829 455

Exploration and evaluation assets 642 735

O&G possible or contingent reserves (B.C.) 12 12

O&G proven reserves (B.C.) 2,447 2,591

Operating licenses, concessions, patents, etc. 67 65 59

EDP computer software 175 160 149

Other intangible assets 267 266 247

Net intangible assets: 606 626 428

Exploration and evaluation assets 41 176

O&G possible or contingent reserves (B.C.) 8 7

O&G proven reserves (B.C.) 14 15

Operating licenses, concessions, patents, etc. 45 51 52

EDP computer software 78 70 60

Other intangible assets 420 307 316

Gross tangible fixed assets: 13,633 13,837 16,685

Land and structures 359 322 315

Technical installations and machinery 8,399 8,360 7,994

Oil & Gas Assets 2,501 2,930 6,677

Other installations, tools and furniture 109 110 101

Advances and construction in progress 864 602 727

Other fixed assets 1,401 1.513 872

* Financial year 2016 has been restated for comparison purposes with financial year 2017.

CHAPTER 6 Appendices